Simple Interest = p * i * n
p is principle and i is interest rate per period and n is the number of periods.
A = P(1 + r)n is for compound interest.
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There is simple interest and there is compound interest but this question is the first that I have heard of a simple compound interest.
Simple interest (compounded once) Initial amount(1+interest rate) Compound Interest Initial amount(1+interest rate/number of times compounding)^number of times compounding per yr
The formula for interest is I = rtP. Then r = I/tP, where t = 11/12. This calculates to a simple interest rate of 8.8 percent.
time= interest/principal x rate likee yeahh thats it
You need to know the principal amount, the rate and the time. Then a very simply formula for calculating interest is I = PRT where P is the principal amount, R is the interest rate and T is the period of time in years.