GMAT Practice Question Set #20 (Question 58-60)

Problem Solving Question #60: Investing in Savings Account - interest  
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Rebecca is investing $10,000 of her earnings into a savings account that pays r percent simple annual interest. If Rebecca pulls her money out after n years, how much interest will she have earned on her investment?

(A)

`10,000x^n`

(B)

`10,000(x/100)^n`

(C)

`10,000n(x/100)`

(D)

`10,000(1+x/100)^n`

(E)

`10,000(n(x/100)+1)`

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