Posted by ANGEL on .
If C dollars are deposited in an account paying r percent annual interest, the amount after x years is A+C(1+r)*. Approximate the amount in the account after x years, when C=$100.00, r=19%, and x15 years.

MATH 
Henry,
A = C + Crt
A = 100 + 100*0.19*15= $385.