SOLUTION: suppose I invest $900 for two years.I earned $67.50 in simple interest what was the anual rate of intrest?
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Question 402501:  suppose I invest $900 for two years.I earned $67.50 in simple interest what was the anual rate of intrest? 
Answer by rfer(16322)   (Show Source): You can put this solution on YOUR website!
 (67.50/2)/900=0.0375=3.75% 
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