SOLUTION: after 5 years mikes account earned $9000 in interest if the interest rate in decimal form is .15 how much did mike initially invest

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Question 1064888: after 5 years mikes account earned $9000 in interest if the interest rate in decimal form is .15 how much did mike initially invest
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
9000=P(1.15)^5
9000/2.011357=P
4475=P