How do you find the average of a group of numbers

You add them together and divide it by how many number there are.

Step-by-step explanation:

For example lets say we need to find the average of 12, 15, 18, and 24.

You would do 12+15+18+24

You will get a sum of 69

Then since there are 4 numbers you do 69 divided by 4 and get a quotients of 17.25.

Therefore 17.25 is the average of all four numbers.

8121 because

130,000 divided by 16 is 8121

$4

step-by-step explanation:

$30×5=$150

$150 minus $130=$20

$20÷5=$4.

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