Question 829965
assume we are starting with $100

(100)*(1+3%)^n = 200
(100)*(1.03)^n = 200
divide each side by 100
(1.03)^n = 2
take log of each side
log((1.03)^n)=log(2)
nlog(1.03)=log(2)
divide each side by log(1.03)
n = log(2)/log(1.03) = 23.449 years