SOLUTION: Enrique puts 12% of his monthly paycheck in an IRA. If he invests $72 in his IRA, how much was his paycheck?

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Question 92953: Enrique puts 12% of his monthly paycheck in an IRA. If he invests $72 in his IRA, how much was his paycheck?
Answer by tutorcecilia(2152) About Me  (Show Source):
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Enrique puts 12% of his monthly paycheck in an IRA. If he invests $72 in his IRA, how much was his paycheck?
Use the formula for percent:
%28Part%2FWhole%29=%28Percent%2F100%29
Plug-in the values and solve for the unknown variable (whole)
%28%2472%2FWhole%29 = %2812%2F100%29
%2872%29%28100%29%29=%28Whole%29%2812%29%29 [Cross-multiply]
7200=(Whole)(12)
%287200%2F12%29=Whole
600=Whole
.
Checking:
(600)(.12)=$72.00