S = D x [ (1 + r )

^{n }

__]__

D = amount deposited

r = monthly interest rate (APR/12)

n = number of months deposited. S = amount after n months. Interest earned = S - D

S = D x [ (1 + r )

D = amount deposited

r = monthly interest rate (APR/12)

n = number of months deposited. S = amount after n months. Interest earned = S - D

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