How many monthly payments of $50, beginning next month, are needed to pay off a debt of $700, if interest accrues at 8% per year, compounded monthly?
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A. B. C. D. E.Explanation
On the BAII Plus, press 8 divide 12 = I/Y, 700 PV, 50 +/- PMT, 0 FV, CPT N. On the HP12C, press 8 ENTER 12 divide i, 700 PV, 50 CHS PMT, 0 FV, n. Note that the HP12C will display 15 as the answer. Make sure the BAII Plus has the P/Y value set to 1.