Question

Suppose $5,200 is invested in an account at an annual interest rate of 5.9% compounded
continuously. How long (to the nearest tenth of a year) will it take the investment to double in
size?

Answer 1

\[A=Pe ^{rt}\]
\[5200\times 2=5200\times e ^{0.059t}\]
Now you just need to solve for t.

Answer 2

do you have a calculator i dont have one can solve it for me i only have 5 mins to submit this answer now 3

Answer 3

There is an online calculator here:
http://www.picalc.com/