Calculating Simple Interest Worksheet - Web understand how the rate of interest (r) and time (t) affect the simple interest (i) and the amount (a) on a sum of money (p), and. I = total simple interest p = principal amount or the original balance r = annual interest rate t = loan term in years I is the interest, p is the principal amount, r is the. Web to calculate simple interest, you need to use the following formula;
I = total simple interest p = principal amount or the original balance r = annual interest rate t = loan term in years I is the interest, p is the principal amount, r is the. Web to calculate simple interest, you need to use the following formula; Web understand how the rate of interest (r) and time (t) affect the simple interest (i) and the amount (a) on a sum of money (p), and.