## Averages:

Averages are useful to make decisions involving large numbers and quantities. To find the average of something, you take the different instances total and divide them by the total quantity to get an average. For example, if you have 11, 17, and 19, the average is found by taking 46 (11 + 17+ 19) and dividing by 3 for an average of 15.

In order to find out how much should be invested in each account, we want to know what interest rate will return $600. •$600 / \$12,000 = 5%

Now that...

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