Asked by Kira

what interest rate is required for an investment subject to continuous compounding to triple in 15 years?
A= Pe^rt ?
Answered by Steve
e^15r = 3
15r = ln3
r = ln3/15 = 7.3%
Answered by Jenny
I have the same question except mine is 5 years. Using this formula, I don't even come close to the correct answer in the book. Please advise.
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