Question

I do not want the answer...i just want to know how to find.

Answer 1

Sam invests $9,400 in a fund yielding 5.2% simple interest annually. At the same time, Pat shops around for a better interest rate and invests $9,400 in a fund yielding 6.0% simple interest annually. After seven years, how much more interest has Pat’s fund earned than Sam’s fund?

Answer 2

Here is an example
http://math.about.com/od/businessmath/ss/Interest.htm

Answer 3

sweet ty