Question 465911: at the end of one year erics investment at an annual intrest rate 7.25% earned 65.25. how much money did eric invest? Answer by robertb(5830) (Show Source):
You can put this solution on YOUR website! Assuming simple interest, and by using the formula I = P*r*t,
we get
65.25 = P*0.0725*1
==> P = 900