Find the interest rate for a bank account that earned $81.60 in interest over 4 years and that had a principal of $510

asked Aug 4, 2022 108k views

4 votes

by Adiga

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1 vote

Answer:

$si = (p * t * r)/(100) \\ 81.60 = (510 * 4 * r)/(100) \\ 8160 = 2040r \\ r = (8160)/(2040) \\ r = 4\%$

Jean Barmash answered Aug 8, 2022

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