1. Education

Calculate Simple Interest, Principal, Rate or Time when 3 Values are Known

By , About.com Guide

2 of 7

Calculating Interest Earned when Principal, Rate and Time are Known
8700
Calculate the amount of interest on $8700.00 when earning 3.25% per annum for three years. Once again, you can use the I = Prt formula to determine the total amount of interest earned. Check with your calculator.

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