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jol16:
Mrs. Sing invests $12,876 for her business at an annual interest rate of 7 percent for 3 years. Which number will Mrs. Sing substitute for r in the simple interest formula?
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Aqual:
What is r?
Mercury:
@jol16 in the simple interest formula, r is the interest rate. however, to use the formula, you must use the interest rate as a *decimal* rather than a percent. since your interest rate is given at 7%, can you try converting 7% to a decimal? this will be your r-value
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