Approximately how many years would it take for an investment to grow twofold if it were invested at 15 percent compounded

quarterly? Assume that you invest $1 today.

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Part 1

If you invest $1 at 15 percent compounded quarterly, about how many years would it take for your investment to grow twofold to $2?

(Hint: Remember to convert your calculator solution to years.) enter your response here years(Round to one decimal place.)