Question

So I have this math problem

$B = 500(1+r)^3+200(1+r)^2+600(1+r)$

How do I solve for the annual interest after three years? Do I plug in 3 for r?

Answer 1

Your answer would be. B=500r^3 + 1700r^2 + 2500r + 1300 I think so