SOLUTION: Your money, compounded continously, doubled in 6 years. What was the interest rate?

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Question 83894: Your money, compounded continously, doubled in 6 years. What was the interest rate?
Answer by Nate(3500) About Me  (Show Source):
You can put this solution on YOUR website!
a(1 + r)^t =
a(1 + r)^6 = 2a
(1 + r)^6 = 2
r = about 0.1225 or 12.25%