SOLUTION: if the rate of inflation averages r per annum over n years, the amount. A that $P will purchase after n years is A=P(1-r)^n, where r is expressed as a decimal. if the inflation rat

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Question 1162505: if the rate of inflation averages r per annum over n years, the amount. A that $P will purchase after n years is A=P(1-r)^n, where r is expressed as a decimal. if the inflation rate averages 2.1%, how much will $2,000 purchase in 4 years?
Answer by ikleyn(52851) About Me  (Show Source):
You can put this solution on YOUR website!
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Substitute  r = 2.1% = 0.021,  P = 2000  and  n = 4  into the formula and calculate


    A = 2000%2A%281-0.021%29%5E4 = 2000%2A0.979%5E4 = 1837.97  today's dollars.    ANSWER

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