# Math

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Margaret received \$671.50 in cash as proceeds from a loan of \$680.00 The discount rate was 10% simple interest. Find the discount period in months.

Hummm. With simple interest, a rate of 10% on \$680, in one month the balance would be 680*(1+(0.1/12)) = 685.66666. Ergo, the monthly payment would be 5.66666. So then number of months to make 671.5 would be (671.5/5.66666) = 118.5

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