# How to Find the Product and Sum of Two (Or More) Numbers

If you are asked to work out the product of two or more numbers, then you need to multiply the numbers together. If you are asked to find the sum of two or more numbers, then you need to add the numbers together.

Below, we will work through several examples together.

## In a Nutshell

"Product" means multiply.

"Sum" means add.

**What are** the product and sum of 6 and 8?

- The
**product**of 6 and 8 is**6 × 8 = 48** - The
**sum**of 6 and 8 is**6 + 8 = 14**

**What are** the product and sum of 9 and 3?

Work out the product and sum of 9 and 3.

- The product of 9 and 3 is
**9 × 3 = 27** - The sum of 9 and 3 is
**9 + 3 = 12**

**What are** the product and sum of -7 and 9?

- The product of -7 and 9 is
**-7 × 9 = -63** - The sum of -7 and 9 is
**-7 + 9 = 2**

### Write down two numbers that have a product of 42.

All you need to do is look for two numbers that multiply to give 42. There are several possible answers:

- 1 and 42
- 2 and 21
- 3 and 14
- 6 and 7
- -1 and -42
- -2 and -21
- -3 and -14
- -6 and -7

**What are** the product and sum of 2, 4 and 9?

Work out the product of 2, 4 and 9.

The product means that you need to multiply the three numbers together.

2 × 4 × 9 = 72

The sum means that you need to add the three numbers together.

2 + 4 + 9 = 15

## Questions & Answers

- Helpful 183
Can you find two numbers which have a product of 12 and a sum of 7?

4 and 3 are a the answers.

4 multiplied by 3 is 12. 4 add 3 is 7.

Helpful 174what is the sum and product of -5 and -12?

Sum means you need to add the numbers (-5 + -12 = -5 - 12 = -17).

Product means you need to multiply the numbers (-5 multiplied by -12 = 60).

Helpful 84- Helpful 8
Can you find a number which has a product of -14 and a sum of 5?

The two numbers are -2 and 7, since -2 times 7 is -14, and -2 + 7 is 5.

Helpful 8

Can you find the sum of the product of 2 and 14 and the difference of 5 and 11 ?

The product of 2 and 14 is 2 times 14 which is 28.

The difference of 11 and 5 is 11 minus 5 which is 6.

Now find the sum of 28 and 6 which is 34.

Helpful 2To get the product 1 we will multiply -8/21 by ?

Flip -8/21 to give -21/8, and this will be the answer.

For more help look at reciprocals.

Helpful 1Can you find two numbers that have a product of 135 and a sum of 24?

The two numbers you are looking for are 15 and 9, because 15 times 9 is 135 and 15 added to 9 is 24.

Helpful 1Find two numbers whose whole sum is 16 and the product is 63?

9 and 7 since 9 + 7 is 16, and 9 times 7 is 63.

Helpful 1Can you find two numbers which have a product of 741 and sum of 70 ?

The two number you are looking for are 57 and 13.

This is beacause 57 multiplied by 13 gives 741, and 57 added to 13 gives 70.

Helpful 13What are the two numbers that the sum is 12 and the product is 36?

Remember, sum means add and product means multiply.

The two numbers that answer this question are 6 and 6.

This is because 6 add 6 is 12, and 6 multiplied by 6 is 36.

Helpful 11Can you find the product of (x-10)(x+4) showing steps?

This is a question on expanding double brackets. The easiest method to use is the FOIL method.

First multiply the Fiirst terms, x times x is x^2.

Next multiply the Outer terms,x times 4 is 4x.

Next multiply the Inner terms, -10 times x is -10x.

Next multiply the Last terms, -10 tims 4 is -40.

Putting all these terms together gives x^2 + 4x - 10x -40, which simplifies to x^2 -6x - 40.

Helpful 1What 2 integers have a sum of 16 and the product is 60?

The two integers are 10 and 6, since 10 + 6 is 16, and 10 times 6 is 60.

Helpful 1What is 4 more than the sum of 5/8 and 5/9?

First, find the sum of 5/8 and 5/9 by adding these fractions together to give 85/72 (or 1.18)

Now add on 4 to give 373/72 or 5.18 as a decimal.

Helpful 3What two numbers have the product of 1m2? Please give your answer in cm.

1m^2 is 100cm by 100cm. So the answers are 100 and 100.

Helpful 2The product of two numbers is 48. If one of the numbers is 6, what is the other number?

Just divide 48 by 6 to give 8.

Helpful 1Can you find two numbers which have a product of 12 and a sum of 8 ?

The two numbers are 6 and 2.

This is becuase 6 add 2 is 8, and 6 times 2 is 12.

Helpful 2What is the sum of 14, 12, 8 & 6?

Just add the numbers up, 14 + 12 + 8 + 6 gives 40.

Helpful 1What is the sum of 36 and the difference is 20?

8 and 28, as 28 add 8 is 36, and 28 minus 8 is 20.

Helpful 2What two numbers have a sum of −15 and a product of −100?

The two numbers are -20 and 5, since -20 times 5 is -100, and -20 add 5 is -25.

Helpful 1Find two numbers which have a product of 9 and a sum of 10?

The two numbers are 1 and 9.

This is because 1 times 9 is 9, and 1 add 9 is 10.

Helpful 2What is the value of the digit 4 in the product of 29.36 and 5?

29.36 times 5 is 146.8, so the 4 is in the tens column so 40.

Helpful 1The sum of a number, n, and 8 is multiplied by –4, and the result is –12. How do I solve for n?

You will need to solve:

-4(n + 8) = -12

-4n - 32 = -12

-4n = 20

n = -5

So the number is -5.

Helpful 4Two integers have a product of −24 and a sum of −10 . What are the values of the two integers?

The two numbers are -12 and 2, since -12 times 2 is -24 and -12 + 2 = -10.

Helpful 1What is the product of 7 and the difference of 9 and 3?

The difference of 9 and 3 can be found by working out 9 minus 3 which is 6.

Next multiply 6 by 7 to give 42, as product means multiply.

Helpful 4What is 20 add 3 multiply 4?

First you will need to work out 3 times 4 to gives 12, as multiplication takes priority over addition (BIDMAS).

Now work out 20 plus 12 to give 32.

Helpful 2What is the product of 27 and 30?

To work out the product just multiply the two numbers together.

27 multiplied by 30 is 810.

Helpful 2Can you find a pair of numbers with a sum of 9 and a product of 20?

Product means multiply and sum means add.

So, the two numbers which solve this problem are 4 and 5 (since 4 added to 5 gives 9 and 4 multiplied by 5 is 20).

Helpful 5What’s the product of 7/12 and 14?

Convert 7/12 into a decimal by dividing 7 by 12 to give 0.583..., now multiply this by 14 to give 8.17 rounded to 2 decimal places or 49/6 if you prefer a fraction.

Helpful 6Can you tell me and show me how to work out 5/9×360 =?

This is the same as working out 5/9 of 360, as times means of.

Apply the rule divide by the bottom and times by the top.

360 divided by 9 gives 40, and 40 times 5 is 200.

Helpful 2Can you find two numbers which have a product of 8 and a sum of 7?

Yes, you can but the answers are not integers (whole numbers).

You will need to solve the simultaneous equations xy = 8 and x + y = 7.

Helpful 19How can I work out the product of 18 and 4?

All you need to do is 18 multiplied by 4 which is 72.

Helpful 19The product of 5 whole numbers is 3. What is the sum of these numbers?

Product means multiply, so the 5 whole numbers that multiply together to give 3 are 1,1,1,1 and 3 (that is fours 1's and one 3).

Since "sum" means "add," then 1 + 1 + 1 + 1 + 3 gives a final answer of 7.

Helpful 15The product of 4/3 and a number is 84. What is the number?

Divide 84 by 4/3 to give 63.

Helpful 11- Helpful 3
What is 1/3 the sum of six and three?

First of all, work out the sum of 6 and 3 by adding these together to give 9.

Now to find a third of something you divide by 3, so 9 divided by 3 is 3.

Helpful 9What number pair has the sum of 5 product of 4?

Sum means add, and product means multiply.

Therefore the two numbers needed are 1 and 4, because 1 added to 4 is 5 and 1 multiplied by 4 is 4.

Helpful 8What are the two numbers which have a sum and product of 1 and 9?

The sum can be found by adding 1 and 9 to give 10.

The product of 1 and 9 can be found by multiplying 1 and 9 to give 9.

Helpful 8Can you find two numbers which have a product of 60 and a sum of 100?

The two numbers are not integers, so there is not an obvious answer.

You will need to solve the simultaneous equations xy = 60, and x + y = 100, to give x

The two answers are 99.3963 and 0.6036 rounded to 4 decimal places.

Helpful 7What is the product of 0.009 & 2.84?

To find the product of any two numbers just multiply them.

0.009 multipled by 2.84 gives 0.02556.

Helpful 7What is the sum of 19 and 25 multiplied by their difference?

First, work out the sum of 19 and 25 by adding the two numbers together to give 44.

Next, find the difference of 25 and 19 by subtracting the numbers to give 6.

Now multiply 44 by 6 to give 264.

Helpful 7What is the answer to halve the product of 5 and 12?

First of all work out the product of 5 and 12.

Therefore, multiply the 5 by the 12 to give 60 (since product means multiply).

Now half 60 to give a final of answer of 30.

Helpful 7What is the sum of 2 and 7?

The two numbers needed to be added together if you are working out the sum.

So 2 + 7 = 9.

Helpful 7Can you find two numbers that have a product of -18 and a sum of -7?

The two numbers are -9 and 2.

This is because -9 multiplied by 2 is -18, and -9 plus 2 is -7.

Helpful 7The product of two whole numbers is 648 and their sum is 51. What are the two numbers?

The two numbers are 24 and 27.

This is because 24 multiplied by 27 gives 648.

Also, 24 added to 27 gives 51.

Remember, product means multiply and sum means add.

Helpful 6The product of two numbers is 72 and the sum is 18, what are that two numbers?

The two numbers are 6 and 12, because 6 times 12 is 72, and 6 added to 12 is 18.

Helpful 5Can you find two numbers which have a sum of 13 and a product of 12?

Sum means add and product means multiply.

The two numbers are 1 and 12, as 1 + 12 = 13 and 1 multiplied by 12 gives 12.

Helpful 5What is 12+3×4?

First work out 3 times 4, as multiplication takes priority over addition.

So 12 + 12 = 24.

Helpful 5Can you solve this: the product is 12 and the sum is 7?

The two numbers you are looking for are 4 and 3.

Since 4 multiplied by 3 is 12 and 4 added to 3 is 7.

Helpful 5What is the product of 1 and 5?

Just multiply 1 by 5 to give an answer of 5.

Helpful 5The product of 6 and 7 is how much greater than the sum of 6 and 7?

The product of 6 and 7 is 6 times 7 which is 42.

The sum of 6 and 7 is 13.

So 42 take away 13 is 29.

Helpful 5How can find the product of 3/5 and 42?

Probably best to convert 3/5 to a decimal first which is 0.6

0.6 multiplied by 42 is 25.2.

Helpful 5What is the pair of numbers with a sum of 5 and a product of 4?

The two numbers that solve this problem are 1 and 4.

This is because 1 + 4 gives 5 (Sum means add), and 1 multiplied 4 gives 4 (prouct means multiply).

Helpful 5What is the product of (3+20)(4-30)?

First, work out the brackets:

3 added to 20 gives 23, and 4 minus 30 gives - 26.

Now multiply 23 by -26 to give a final answer of -598.

Helpful 5The square of a number is 81. Find the number?

There are two answers to this question.

The first one is 9, because 9 multiplied by 9 is 81.

The second answer is -9, because -9 multiplied by -9 is also 81 (two negatives multiplied together gives a positive answer).

Helpful 5From a box containing 24kg of tomatoes, a vendor sold 17 1/2kg. How much was he left with?

To work out how much left you will need to work out the difference between 24kg and 17.5kg.

24 - 17.5 = 6.5 kg.

So there are 6.5kg of tomatoes left.

Helpful 5What is the product of 1 3/ 5 and 8 1 /2 ?

Change these mixed numbers to decimals as it will be easier to work out (1 3/5 = 1.6 and 8 1/2 = 8.5). So the product is 1.6 multiplied by 8.5 which is 13.6. The sum will be 1.6 + 8.5 = 10.1.

Helpful 5What is the product of 6062 and 505?

To find the product multiply 6062 by 505 to give 3,061,310.

Helpful 5Eight times the sum of 5 and some number is 184. What is the number?

First divide 184 by 8 to give 23.

Next subtract 5 from 23 to give 18.

So the answer is 18.

Helpful 4Can you find the two numbers which have the product of 12 and a sum of -7?

The two numbers you are looking for are -4 and -3.

This is because -4 times -3 is 12, and -4 + -3 is -7.

Helpful 4What is 5 added to the product of 4 and 6?

First follow BODMAS and work out the product of 4 and 6 by multiplying these numbers together to give 24.

Next add the 4 onto 24 to give 28.

Helpful 4What are two numbers that have a sum of 24 and a quotient of 3?

The two numbers are 21 and 3, becuase 21 added to 3 is 24 and 21 divided by 3 is 7.

Helpful 4Can you find two numbers that have the sum of 35 and a difference of 15?

The two numbers that solve this problem are 25 and 10.

This is becuase 25 + 10 gives 35 (sum means add), and 25 - 10 gives 15 (difference means subtract).

Helpful 4Can you find two numbers which have a product of 20 and a sum of 12?

The two numbers that you are looking for are 10 and 2, beacuse 10 multiplied by 2 gives 20, and 10 added to 2 gives 12.

Helpful 4Can you find the product and sum of -9 and -7?

Multiply the numbers for the product, -9 times -7 is 63.

Add the numbers for the sum, -9 + - 7 is -16.

Helpful 4What's the product of 6.2 and 8c?

Just multiply these together to give 49.6c.

Helpful 4What two numbers have the product of 20 and the quotient of 5?

Product means the two numbers need to multiply to give 20, and quotient means the two numbers must divide to give 5.

Therefore, the answers are 10 and 2, becuase 10 multiplied by 2 is 20, and 10 divided by 2 is 5.

Helpful 4What are a pair of numbers with a sum of 5 and a product of 4?

The numbers are 1 and 4, since 1 added to 4 gives 5, and 1 multiplied by 4 is 4.

Helpful 4What two numbers have a sum of 15 and a product of 36 ?

The answers are 3 and 12, since 3 + 12 = 15, and 3 multiplied by 12 is 36.

Helpful 4What is the Product of 5 and (2/3n +5)?

Product means multiply so the bracket needs to be expanded.

5 multiplied by 2/3n gives 10/3n, and 5 multiplied by 5 gives 25.

So putting these terms together, the final anwer will be 10/3n + 25.

Helpful 4A number is multiplied by 7, and then the product is added to 13. The result is 55. What is the number?

First subtract 13 from 55 to give 42.

Now divide 42 by 7 to give 6.

Helpful 4What is the sum of 21 and the difference of 27 and 5 ?

First of all work out the difference between 27 and 5 by subtracting 27 and 5 to give 22.

Now find the sum of 21 and 22, by adding these numbers together to give 43.

Helpful 4What 2 integers have a sum of - 17 and a product of 52?

The two numbers that solve this problem are -13 and - 4.

This is because - 13 multiplied by - 4 gives 52, and -13 + -4 gives -17.

Helpful 4How can I work out the sum of 2/12 and 6/12?

To find the sum just add the two fractions together to get 8/12 which simplifies to 2/3.

Helpful 445÷5×3+17-9=n? what is n?

45 divided by 5 is 9.

9 times 3 is 27.

27 add 17 is 44.

44 minus 9 is 35, so n = 35.

Helpful 3The product of two numbers is 3 and their sum is –4. Therefore the two numbers are?

The two numbers are -1 and -3, since -1 multiplied by -3 is 3 and -1 add -3 is -4.

Helpful 3What number do you multiply 4 by and add 5 to give a square number?

The number you are looking for is 5. Since the product of 4 and 5 is 20, and 20 add 5 is 25 which is a square number.

Helpful 3Can you find two number which have a product of 42 and sum of 23?

The two number that solve the proboem are 2 and 21.

This is because 2 multiplied by 21 gives 42, and 2 added to 21 gives 23.

Helpful 3What is The product of 48 × 9?

Product means multiply, so with a calculator type in 48 times 9.

If doing mentally, first do 40 multiplied by 9 which is 360, and then do 8 multiplied by 9 which is 72. So 360 + 72 = 432.

Helpful 3What is the product of 3 and 154?

To find the product multiply the two numbers together to give 462.

Helpful 3What is the product of 3(3+x)?

You just need to multiply out the bracket to give 9 + 3x.

Helpful 3Can you find two numbers which have a product of 8 and a sum of 6?

4 and 2 are the answers, because 4 multiplied by 2 is 8 and 4 added to 2 is 6.

Helpful 3The product of two numbers is 45. Their sum is 18. What are the numbers?

The two numbers are 15 and 3, since 15 times 3 is 45, and 15 added to 3 is 18.

Helpful 3What two numbers have a product of 60 and a sum of -19?

The two numbers are -4 and -15.

This is because -4 added to -15 gives -19, and -4 times -15 gives 60.

Helpful 3Can you find the answer for 2+3×4=?

You need to use BIDMAS or BODMAS.

First work out the multiplication to give 12.

Now 2 + 12 =14.

Helpful 3How can I make 63 only using the numbers 5,2,9 and 3?

First add 5 and 2 to give 7, and then multiply the answer by 9.

Helpful 3What is 34 added to the product of 3 and 4?

First work out the product of 3 and 4 by multiplying the numbers together to give 12.

Now 34 added to 12 gives 46.

Helpful 3How do you find the product of 2 and 3, and then subtract that from 9?

To find the product multiply 2 by 3 to give 6.

Now subtract 6 from 9 to give an answer of 3.

Helpful 3What is the number multiplied by 12, that product added to 6, and the sum is equal to the product of 6 and 5?

The product of 6 and 5 is 6 times 5 which is 30.

30 minus 6 is 24.

So the number is 2 since 2 times 12 is 24.

Helpful 3What number is 36 less than twice the product of 88 and 11?

First work out the product of 88 and 11 by multiplying 88 by 11 to give 968.

Now work out 968 minus 36 which is 932.

Helpful 3How would you work out 58 times 9 is your head?

Break 58 into tens and units as 50 and 8.

Multiply 50 by 9 to give 450, and multiply 8 by 9 to give 72.

Next add 450 and 72 up to give 522.

Helpful 3The sum of two numbers is 9 and their difference is 3. What is their product?

First find out what the two numbers are.

These are 6 and 3, since 6 add 3 is 9, and 6 minus 3 is 3.

Now multiply 6 by 3 to give 18.

Helpful 3Can you find the Product of 6×7/9?

Write 6 as a fraction (6/1), and now multiply 6/1 by 7/9 to give 42/9.

This can now be changed to a mixed number as 4 2/3 .

Helpful 3The sum of two numbers is −48 and their difference is 17. Can you find the numbers?

The two numbers are -15.5 and -32.5.

Helpful 3If the sum of two numbers is 12, and its product is 32, what are the numbers?

The two numbers are 8 and 4, since 8 times 4 is 32, and 8 add 4 is 12.

Helpful 3What two numbers have a product of 14?

2 and 7 give a product of 14, as 2 multiplied by 7 is 14.

Helpful 3What two numbers have the product of 10, and sum of 11?

The two numbers are 1 and 10, because 1 multiplied by 10 is 10, and 1 added to 10 is 11.

Helpful 2What is the sum of (-5)-(-2)?

This is the same as work out -5 + 2 which is -3.

Helpful 2What is the answer if you increase the sum of 5/8 and 5/8 by 14?

First work out the sum of 5/8 and 5/8 by adding these together to give 10/8.

10/8 can be simplified to 5/4 (or 1.25).

You can now increase 14 by 1.25 by adding these together to 15.25.

Helpful 2What is the product of 27 and 45?

To work out the product multiply the numbers together, so 27 times 45 is 1215.

Helpful 2What is the sum of 1 and 1?

Just add the two numbers together, 1 add 1 is 2.

Helpful 2What is the product of 12 and 60?

Just multiply 12 and 60 together to find the product which is 720.

Helpful 2What is the sum of 5.72 and 0.8?

Sum means add, so the two numbers must be added together.

Do this either in your head, on paper, or on a calculator.

The answer should be 6.52.

Helpful 2Can you find the product of -13, 12 and -5?

You just need to multiply the three numbers together in any order.

-13 times 12 is -156.

-156 times -5 is 780.

Helpful 2What is the product of 5 9 and 12?

To work out the product multiply the three numbers together.

5 times 9 times 12 is 540.

Helpful 2What numbers have a sum of 11 and a product of 18?

The two numbers are 9 and 2, because 9 added to 2 is 11, and 9 times 2 is 18.

Helpful 2Can you find the product and sum of 20 and 6?

The product of 20 and 6 is 20 times 6 which is 120.

The sum of 20 and 6 is 20 plus 6 which is 26.

Helpful 2When 6 is subtracted from the product of 4 and a certain number the answer is 14, what is the number?

First add 6 onto 14 to give 20.

Now 4 and a number must multiply to give 20, as product means multiply.

This number will be 5.

Helpful 2What are the two numbers that give the product of -24 and sum-10?

The two numbers are -12 and 2, since -12 multiplied by 2 is -24 and -12 add 2 is -10.

Helpful 212 less than the sum of 14 and 6?

First work out the sum of 14 and 6 by adding them together to give 20.

Now work out 12 less than 20 by working out 20 minus 12 to give 8.

Helpful 2What are the two numbers that have a product of 132 and sum of -23?

The two numbers are -12 and -11, because -12 times -11 is 132, and -12 + -11 = -23.

Helpful 2The sum of two numbers is 68. If one number is 12 more than the other number, what are the numbers?

Half 68 to give 34, and half 12 to give 6.

34 add 6 is 40, and 34 minus 6 is 28.

Therefore the two numbers are 28 and 40.

Helpful 2Find sum of 5/9 and 11/9?

Just add the numerators and keep the denominator the same to give 16/9.

Helpful 2What is the product of 5/9×15?

Write 15 as a fraction as 15/1, now multiply the fraction together to give 25/3.

Helpful 2What is the sum of 1/2, 1/4 and 2/5?

Add the fractions together to find the sum.

First make a common denominator of 20.

10/20 + 5/20 + 8/20 = 23/20.

Helpful 2What are the two integers whose sum is 5 and product that is 4?

The two numbers are 1 and 4.

This is because 1 added to 4 gives 5, and 1 multiplied by 4 gives 4.

Helpful 2What is the product of 3,6 and 4?

To work out the product multiply the three numbers together.

3 multiplied by 6 gives 18, now mutiply the 18 by 4 to give 72.

Helpful 2What is the product of three, four and five?

To find the product multiply the three numbers together in any order.

3 multiplied by 4 is 12, and 12 multiplied by 5 is 60.

Helpful 2How does knowing that 2 and 9 =18 help find the product of 4 and 9 without multiplying ?

4 is double 2, so you just need to double the 18 to give 36.

Helpful 2What are two numbers that have a product of 3/8?

You need to figure out two fractions which multiply to give 3/8.

The two fractions are 3/4 and 1/2.

Helpful 2Two numbers have a sum of 15 and a product of 26 what are they?

The two numbers are 13 and 2.

This is because 13 + 2 = 15, and 13 multiplied by 2 gives 26.

Helpful 2The total of a number, 9 and 12 is 32. What is the number?

Total means add to the 3 numbers must add to give 32 (? + 9 + 12 = 32)

The number is 11.

Helpful 2What is the product of 112×9?

Just multiply the numbers together to find the product, so the answer is 1008.

Helpful 2Which integer should be multiplied by -7 so as to get a product equal to 56?

The answer is -8 as -7 times -8 is 56.

Helpful 2Two numbers have a sum of 5 and a product of 6 what are the numbers?

The two numbers are 3 and 2.

This is becuase 3 + 2 gives 5, and 3 multiplied by 2 gives 6.

Helpful 29 more than 7?

Just add the two numbers together to give 16.

Helpful 2Find the product of five and ten and divide it by five. What's the answer?

First work out the product of 5 and 10 to give 50 (multiply 5 by 10).

Now divide the answer by 5 to give 10.

Helpful 2What is the product of the difference between 12 and 3 and the quotient of 12 and 3?

The difference between 12 and 3 is 12 subtract 3 which is 9.

The quotient of 12 and 3 is 12 divided by 3 which is 4.

Now work out the product of 4 and 9 by multiplying them together to give 36.

Helpful 2What is 72,136 more than the sum of 105 and 212?

First, find the sum of 105 and 212 to give 317.

Now add 317 and 72136 together to give 72453.

Helpful 2Can you find two numbers which have a product of 9 and a sum of 10?

9 and 1 are the answers as 9 times 1 is 9, and 9 added to 1 is 10.

Helpful 2What do you add to 5 to get to 13?

Just work out 13 minus 5 to give 8.

Helpful 2What is the product of 5 and 8?

Just multiply 5 by 8 to give 40.

Helpful 2The mean of 8 numbers is 15 If a number 24 is added, then what will be the mean of the 9 numbers?

First multiply 8 by 15 to give 120.

Now add 24 to 120 to give 144.

Lastly divide 144 by 9 to give 16.

Helpful 2What two numbers multiply to 72 and add up to 17?

The two numbers are 9 and 8, since 9 multiplied by 8 is 72, and 9 add 8 is 17.

Helpful 2Can you find the sum of 3/8 and 7/2?

Just add the two fraction together to find the sum.

Convert 7/2 to 28/8, so 3/8 + 28/8 givds 31/8 = 3 7/8.

Helpful 2What two pair of integers have a sum of -6?

One example would be -7 and 1.

Helpful 2Can you find two numbers which have a product of 8 and a sum of -9?

The two numbers are -1 and -8, since -1 added to -8 is -9, and -1 times -8 os 8.

Helpful 2What number is the product of 100 and 90?

100 times 90 is 9000.

Helpful 2Can you write a mathematical equation for the following; the sum of two numbers is 3 more than the product?

x + y + 3 = xy

Helpful 2Find two numbers that have the product of 42 and a sum of 17?

The two numbers are 3 and 14.

This is because they multiply to give 42 and add to give 17.

Helpful 1How much greater is the product of 4 and 3 than the sum of 4 and 3?

First, find the product of 4 and 3 by multiplying them together to give 12.

Now work out the sum of 4 and 3 by adding them together to give 7.

Now subtract 7 from 12 to give 5.

Helpful 1What is the sum of 84 and 32 doubled?

To find the sum of 84 and 32 add these numbers together to give 116.

Now to double 116, multiply the number by 2 to give 232.

Helpful 1What is the product of 36 and 7?

36 multiplied by 7 is 252.

Helpful 1What is the product of 11 and the difference between 6 and negative 9?

The difference between 6 and - 9 is 15.

Now multiply 15 and 11 to give 165.

Helpful 1What is the product of 24 and 168?

24 multiplied by 168 is 4032.

Helpful 1How do you find the product of two numbers?

Just multiply the two numbers.

Helpful 1What is a sum of 9 and a product of 14?

The two numbers are 7 and 2, because 7 add 2 is 9, and 7 times 2 is 14.

Helpful 1How do you work out 12/4 + 6/-3?

12/4 is 12 divided by 4 which is 3.

6/-3 is 6 divided by -3 which is -2.

3 - 2 gives 1.

Helpful 1Can you find the product of 8 and 4?

The product can be found by multiplying the two numbers together.

8 mutliplied by 4 gives 32.

Helpful 1Can you find two numbers that have a sum of 13 and a product of 12?

The two numbers are 1 and 12 (since 1+ 12 = 13, and 1 times 12 is 12).

Helpful 1What is 2 less than the sum of 100 and 17?

100 + 17 = 117.

117 - 2 is 115.

Helpful 1What is 25 added to the product of 6 and 3?

The product of 6 and 3 is 6 times 3 which is 18.

25 added to 18 gives 43.

Helpful 1The product of two numbers is 48. If one of the numbers is 6, what is the other number?

Just divide 48 by 6 to give 8.

Helpful 1The sum of two numbers is 20, if you subtract it by the first number the difference is 18. What are the two numbers?

The two numbers needed are 19 and 1.

Since 19 added to 1 gives 20, and 19 minus 1 is 18. (Sum means add, and differences means subtract).

Helpful 1Find the product of (-3)*(-6)*(-2)*(-1)?

-3 multiplied by -6 is 18.

18 multiplied by -2 is -36.

-36 multiplied by -1 is 36.

Helpful 1What are the two square numbers that are added to get a sum of 90?

9 and 81 because 9 is 3 squared and 81 is 9 squared and 9 added to 81 is 90.

Helpful 1Can you find two numbers with a sum of -2 and a product of -48?

-8 ad 6 are the answers, as -8 + 6 is -2 and -8 times 6 is -48.

Helpful 1How does one solve this problem: Multiply the sum of 83 and 74 by their difference, and divide the product by 15?

The sum of 83 and 74 is 157 (add them together).

The difference between 83 and 74 is 9 (take them away).

Now multiply 157 by 9 to give 1413.

Now divide 1413 by 15 to give 94.2.

Helpful 1What is the product and sum of 200 and 4?

The product is 200 times 4 which is 800.

The sum is 200 add 4 which is 204.

Helpful 1What times 2 equals 11?

Just divide 11 by 2 to give 5.5.

Helpful 1What is the product of 287 and 1,603?

To find the product multiply the two numbers together.

1603 multiplied by 287 is 460,061.

Helpful 1What two numbers make the product of 13?

1 and 13 will give a product of 13.

These are the only whole numbers as 13 is a prime number,

Helpful 1What are the two integers whose sum is 14 and product is 33?

The two integers are 3 and 11, since 3 add 11 is 14, and 3 multiplied by 11 is 33.

Helpful 1Which two numbers have a sum of -2 and a product of -35?

The two numbers you are looking for are -7 and 5.

This is because -7 add 5 is -2, and -7 multiplied by 5 is -35.

Helpful 1What is the product of -1.24 and 4.25?

Just multiply the numbers together to give -5.27.

Helpful 1Can you find the product of 2/9 of 90?

Just divide 90 by 9 to give 10, and multiply 10 by 2 to give 20.

However, if you have a scientific calculator type in 2/9 times 90 using your fraction button.

Helpful 1What is 4(10+9)?

First work out 10 added to 9 to give 19, and then multiply 19 by 4 to give 76.

Helpful 1Josh added 134.086 to 561.27. What digit was in the hundredths place in the sum?

The answer to the sum of these numbers is 695.356.

The hundredths column is the second number after the decimal point which is 5.

Helpful 1Two numbers have a sum of −15 and a product of −100. What are the numbers?

The two numbers are -20 and 5, since -20 + 5 is -15 and -20 multiplied by 5 is -100.

Helpful 1A pair of numbers with a sum of 18 and the difference of two?

8 and 10 are the two numbers, since 8 plus 10 is 18 and 10 minus 8 is 2.

Helpful 1Can you find the 2 integers that have a sum of -17 and a product of 52?

The two numbers are -4 and -13.

This is because -4 add -13 is -17, and -4 times -13 is 52.

Helpful 1Find 45 less than the product of 7 and 9?

The product of 7 and 9 is 7 times 9 which is 63.

Now work out 63 take away 45 to give 18.

Helpful 1Find the sum of 5/6 and {-8/6}?

The answer is -3/6 or -1/2 when simplified.

Helpful 1The sum of two numbers is -3 and their product is -10. What are the two numbers?

The two numbers that solve this problem are -5 and 2.

This is because -5 added to 2 gives -3, and -5 multiplied by 2 is -10.

Helpful 1The sum of a number and one added to it multiplied by two is ten . Then what is the number ?

The answer is 4, since 1 + 4 is 5, and 5 times 2 is 10.

Helpful 1What are two integers whose sum is 14 and product is 33?

The two integers are 11 and 3.

This is because 11 added to 3 is 14, and 11 multiplied by 3 gives 33.

Helpful 1What two numbers add to make 5 and times to make -66 ?

11 and -6 since, 11 + -6 = 5 and 11 times -6 is -66.

Helpful 1What is the sum of 7, 4 and 12?

Just add all of the numbers up, 7 + 4 + 12 = 23.

Helpful 1What is the sum of 3/x + 2/5, x is not equal to 0?

Make a common denominator of 5x.

So multiply the numerator and denominator of the first fraction by 5 to give 15/5x.

Also multiply the numerator and denominator of the second fraction by x to give 2x/5x.

Now add these together to give (15 + 2x)/5x.

Helpful 1What is the product of 18, 60 and 78?

To work out the product just multiply all of the 3 numbers to give 84240.

Helpful 1What is the sum of 3, 7 and 10?

To find the sum add the three numbers up to give 20.

Helpful 1What number has a product of 9 and a sum of 10?

The two numbers are 1 and 9, because 1 times 9 is 9, and 1 added to 9 is 10.

Helpful 1What is the product of (17/9) (-3/5)?

Multiply the numerators to give -51 and multiply the denominators to give 45.

So the answer is -51/45 which simplifies to -17/15

Helpful 1The sum of two numbers is 50. One number is 6 more than the other. What are the numbers?

Half of 50 is 25, and half of 6 is 3.

Now 25 - 3 is 22, and 25 + 3 is 28.

So the two numbers are 22 and 28 as they both add up to 50 and 28 is 6 more than 22.

Helpful 1What is 7 added to the product of 123 and 7?

First find the product of 123 and 7 by multiplying them together to give 861.

Next add 7 to 861 to give 868.

Helpful 1Tom thinks of a number between 15 and 30. The sum of the digits is 7. What is toms number?

The number could be 16 or 25, since 1 add 6 is 7, and 2 add 5 is also 7.

Helpful 1What is the product of 14 and 21?

To work out the product multiply 14 by 21 to give 294.

Helpful 1What is 105×24? Write the answer showing the process.

One method is to:

First multiply 105 by 20 to give 2100.

Now multiply 105 by 4 to give 420.

Adding these together gives 2520.

Helpful 1What two numbers have a product of ten ?

There are several answers, 1 and 10 or 2 and 5 are the most obvious ones.

Helpful 1Can you find two numbers that have the sum of 24 and the quotient of 3?

The two number that answer this question are 18 and 6.

This is because 18 + 6 = 24 (sum means add), and 18 divided by 6 gives 3 (quotient means divide).

Helpful 1The product of two numbers is 45. If one number is 6, what is other number?

Just divide 45 by 6 to give 7.5.

Helpful 1What is the sum if 9/15 is added to the sum of 4 3/12 and 8 5/10?

You will just need to add all of the fractions together.

First turn the mixed fractions into improper fractions (9/15 + 51/12 + 85/10).

Now make a common denominator of 60 (36/60 + 255/60 + 510/60)

This gives 801/60 which simplifies to 267/20.

Helpful 1What would the product be for 669 and 83?

Just multiply 669 by 83 to give 55527

Helpful 1What is the product -28 and the sum of 3?

The two numbers are 7 and -4, because 7 times -4 is -28 and -4 + 7 is 3.

What is the product of 632 and 303?

Just multiply them together to give 191496.

If the product of two numbers is 60 and one of the numbers is 5/9, what number is the other?

Divide 160 by 5/9 to give 108.

The product of two numbers is 90 and their sum is 21, what are the two numbers?

The two number are 15 and 6 since 15 multiplied by 6 is 90 and 15 add 6 is 21.

what number is 76 more than the product of 13 and 26?

13 multiplied by 26 is 338.

338 added to 76 gives 414.

What is the sum of 32 and 30?

Just add 32 and 30 to give 62.

What is the result of the product of 68 and 40 is increased by 240?

The product of 68 and 40 is 68 multiplied by 40 which is 2720.

Now 2720 add 240 is 2960.

Ten is added to the sum of 17 and 42. What is the total?

Just add up the three numbers to give 69.

Which two numbers have a product of 36 and a sum of 13?

9 and 4, because 9 times 4 is 36 and 9 + 4 = 13.

Brandy added 27 to the product of 255 and 18. What is the sum?

255 times 18 is 4590.

4590 + 27 is 4617.

What is the sum of 9 and x?

9 + x.

What is the product of 5,6,and 2?

5 times 6 is 30, and 30 times 2 is 60.

Just multiply the numbers together when working out a product.

What are the product, sum, and difference between 123 and 89?

The sum of 123 and 89 is 123 + 89 which is 212.

The difference os 123 and 89 is 123 - 89 which is 34.

Now the product of 212 and 34 is 212 times 34 which is 7208.

What are the two numbers of the sum of thirty and has a diffrence of six?

The two numbers are 18 and 12, since 18 + 12 is 30, and 18 - 12 is 6.

What is four multiplied by the sum of nine and two?

The sum of 9 and 2 is 11, since 9 + 2 is 11.

Now 4 times 11 is 44.

What is 50 less than the product of 84 and 48?

First work out the product of 84 and 48 by multiplying them together to give 4032.

Now subtract 50 from 4032 to give 3982.

Work out the sum of 8 /15 and 4 /15 ?

To find the sum of the two fractions add the fractions together.

The answer will be 12/15, or 4/5 when simplified.

How do you find the product of 8 and 6?

To find the product of 8 and 6 work out 8 multiplied by 6 which is 48.

If the quotient of - 56 and 8 is subtracted from the product of - 12 and - 3, what is the difference?

Divide -56 by 8 to give -7.

Multiply -12 and -3 to give 36.

Now the difference between -7 and 36 is 43.

Multiply the sum of 5 and 3 and the sum of 8 and 9?

The sum of 5 and 3 is 5 + 3 = 8.

The sum of 8 and 9 is 8 + 9 = 17.

Now multiply 17 by 8 to give 136.

2 numbers have a difference of 18 and a product of -65 ?

The two numbers are -13 and 5.

What’s the difference of 15 and 9?

Just work out 15 - 9 to give 6 as difference means subtract.

What is the Product of 6 1/4 and 3 5/8?

First convert the fractions to improper fractions 25/4 and 29/8.

Next multiply the numerators and denominators to give 725/32.

If 10 is added to the sum of 17 and 42. What is the total?

The sum of 17 and 42 is 59.

Now 59 add 10 is 69.

What is the product of 3, 6, and 8?

3 times 6 is 18 and 18 times 8 is 144.

What is the product of 7 and 2?

Just multiply 7 by 2 to give 14.

What is the sum of 8, 2 and 7?

8 times 2 is 16, and 16 times 7 is 112.

Find the product of 3/5 with the quotient of 9/5 and 8/7?

The quotient of 9/5 and 8/7 is 9/5 divided by 8/7 which is 63/40.

The product of 3/5 and 63/40 is 3/5 times 63/40 which is 189/200.

What is 3/4 of the product of 2/4 and 6/8?

The product of 2/4 and 6/8 is 2/4 times 6/8, which is 12/32, which simplifies to 3/8.

Now work out 3/4 of 3/8 by multiplying the fraction together as "of" also means multiply.

3/4 times 3/8 is 9/32.

What is the answer of this integer: 53-(-4) +(-6) -5?

This is the same as 53 + 4 -6 -5 = 46.

What is the sum and product for 7 and 18?

The sum is 7 plus 18 which is 25.

The product is 7 multiplied by 18 which is 126.

What is the sum of −8+(−2)?

The answer is -10.

What is the difference between 25 and the product of 4 and 3?

The product of 4 and 3 is 12 ( 4 times 3).

The difference of 25 and 12 is 13 (25 minus 12).

When the product of 6 and 6 is divided by the sum of 6 and 6, what is the quotient?

The product of 6 and 6 is 6 times 6 which is 36.

The sum of 6 and 6 is 6 add 6 which is 12.

The quotient of 36 and 12 is 36 divided by 12 which is 3.

What is the sum of k and 4?

k + 4, as sum means add.

The quotient of two numbers is 1. Their sum is 6. What are the two numbers?

The two numbers are both 3, since 3 divided by 3 is 1, and 3 added to 3 is 6.

What is sum and difference?

To find the sum of two numbers add the numbers togther.

To find the difference of two numbers subtract the two numbers.

What is the sum and product of 8 and 45?

To find the sum add up the two numbers, 8 + 45 gives 53.

To find the product multiply 8 by 45 to give 360.

What is 7/4 x 12?

Multiply can mean "of" so work out 7/4 of 12.

Do this by dividing 12 by 4 to give 3, and multiplying 3 by 7 to give 21.

Which two numbers have a sum of -4 and a product of -45?

The two numbers are -9 and 5 since -9 add 5 is -4, and -9 times 5 is -45.

What is the sum of 1/9, 2/3, and 5/18?

Just add all of the 3 fractions up by converting them to 18 on the denominator:

2/18 + 12/18 + 5/18 = 19/18.

Two numbers have a sum of 1 and a product of −20. What are the numbers?

The two numbers are -4 and 5, since -4 added to 5 is 1, and -4 times 5 is -20.

By how many is the sum of 15 and 10 less than the product of 15 and 10?

The sum of 15 and 10 is 15 add 10 which is 25.

The product of 15 and 10 is 15 times 10 which is 150.

Lastly,150 minus 25 is 125.

What is the sum of 5 and 17?

22 since you add the numbers.

Find the product of 15 and 7?

Just multiply 15 by 7 to give 105, since product means times.

How do you find the product of 1/4m²(8m²-4)?

First multiply 1/4m^2 by 8m^2 to give 2m^4.

Next multiply 1/4m^2 by -4 to give -m^2.

So the final answer is 2m^4 - m^2.

The sum of the numbers is 17, and the product is 70, what are the numbers?

The two answers are 7 and 10 (since 7 added to 10 is 17, and 7 multiplied by 10 is 70).

**© 2011 Mark**

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