Question

How long will it take an investment to double in value if the interest rate is 8% compounded continuously? What is the equivalent annual interest rate?

Answer 1

http://en.wikipedia.org/wiki/Compound_interest#Continuous_compounding

Answer 2

want the investment to double, 8% continously
A=Pe^rt, where A=final amount,P=principal,r=rate,t=years
2P=Pe^rt,
2=e^rt,
ln(2)=rt
t=ln(2)/(8/100)=---?

Answer 3

@ Aenn88,let me know if you have question :D