Allison earns a $40,000 base salary plus a commission equal to 15% of her total sales. If she earned $70,000 last year, what were her total sales?

1 Answer
Celestron5
Apr 18, 2016

$200,000

Explanation:

Allison earned $70,000 which is $30,000 more than her base salary. Since this extra money (her commission) is worth 15% of her sales, $30,000 is 15% of her total sales.

A handy way of finding percentages is to use the ratio IS/OF = PERCENT/100

So if $30,000 IS 15% OF "x" total sales, what is the total sales?

$30,000 divided by total sales equals 15% divided by 100. Cross multiply:
$30,000 times 100. Take the product and divide it by 15. Total sales equals 200,000

$30,000(100)=$3,000,000
($3,000,000)/15=$200,000

Total sales =$200,00

Hope this helped!

Celestron5

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