SOLUTION: Im having a hard time figuring the simple interest to this problem.... P= $5000 A=$5900 t=2 years The solution is supposed to be 7.5% I dont understand how that can be?

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Question 339676: Im having a hard time figuring the simple interest to this problem....
P= $5000 A=$5900 t=2 years
The solution is supposed to be 7.5%
I dont understand how that can be?

Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
I=Prt
900=5000*2*r
900/10000=r
r=0.09=9%
I don't know either, I get 9%.
----------------------
I=5000*2*0.075
I=750
I will guess with you.
Bob