SOLUTION: Suppose $5,000 is invested in an account at an annual interest rate of 2.2% compounded continuously. How long (to the nearest tenth of a year) will it take the investment to double

Question 1023393: Suppose $5,000 is invested in an account at an annual interest rate of 2.2% compounded continuously. How long (to the nearest tenth of a year) will it take the investment to double in
size?
Answer by fractalier(6550) (Show Source): You can put this solution on YOUR website!
For continuously compounded interest, we have the equation

so we plug in to find t...

and
t = 31.5 years
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