SOLUTION: At what interest rate (to the nearest hundredth of a percent) compounded annually will money in savings double in five years?

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Question 540535: At what interest rate (to the nearest hundredth of a percent) compounded annually will money in savings double in five years?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
2+=+%281+%2B+r%29%5E5
%281%2Br%29+=+root%285%2C2%29
1+r =~ 1.148698
r =~ 14.87%