Question: 1.We sometimes need to find how long it will take a sum of money (or anything else) to grow to some specified amount. (a) For
1.We sometimes need to find how long it will take a sum of money (or anything else) to grow to some specified amount. (a) For example, if a company's sales are growing at a rate of 7.5% per year, approximately how long will it take sales to triple? Show your answer to 2 decimals (x.xx years) (1 point)
I/Y=7.5
(b) If you want an investment to double in 6 years, what interest rate must it earn? Show your answer to 2 decimals (x.xx%) (1 point)
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