Question 376378
Assume principal P = $100
Amount A = $200
rate r = 6%
time  n = ?
compounding = quarterly=q
..

n = log(A/P)/(q log[1+(i/q)]).

n=(log(200/100))/(3*log(1+((0.06)/3))
...
n= 11.67 years
n= 11 years & 244 days
...
m.ananth@hotmail.ca