Problema Solution

An initial deposit of $6,000 earns 6% interest, compounded monthly. How much will be in the account after 15 years? (Give your answer correct to the nearest cent.)

Answer provided by our tutors

P = $6,000 the principal (the money deposited)

r = 0.06 or 6% annual interest rate

t = 15 years

m = 12 compounding period per year

i = r/m = 0.06/12 = 0.005 interest rate per period

n = t*m = 15*12 = 180 total number of compounding periods

A = future value


A = P(1 + i)^n


A = 6000(1 + 0.005)^180


A = $14,724.56


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after 15 years there will be $14,724.56 in the account.