Question 332996
A=P(1+(r/100))^n
2000=1000*(1+0.08)^n
divide by 1000
2000/1000 = 1.08^n
2= 1.08^n
take log on both sides
log 2 = n*log 1.08
divide by log (1.08)
log2/log 1.08 = n
n = 9 years