SOLUTION: what rate of interest compounded annually is required to double an investment in 4 years? Express your answer as a percentage rounded to one decimal place.

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Question 794602: what rate of interest compounded annually is required to double an investment in 4 years? Express your answer as a percentage rounded to one decimal place.
Answer by Student789(6) About Me  (Show Source):
You can put this solution on YOUR website!
Really kid?? That's ridiculously simple.