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Saccoro invested $3800 for 3 1/2 years she earn 983.25 in simple interest what was the annual interest rate to the nearest hundredth of a percent

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I = PRT
983.25 = (3800)(R)(3.5)
983.25 = 13300R
983.25 / 13300 = R
0.07392 = R
7.39% = R <==
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