Algebra
posted by Meg .
You put $1700 into an account at 8% per year compounded continuously.
a) How long will it be until you have $2000?
b) What is the doubling time for this money?

2000 = 1700 e^.08x
x = 2.03
for doubling,
2=e^.08x
x = 8.67
agrees with rule of 72