SOLUTION: if a 9,000 original investment earns simple interest for 5 years and is worth 14,000. what is the interest rate? please show how to figure out this problem

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Question 266355: if a 9,000 original investment earns simple interest for 5 years and is worth 14,000. what is the interest rate? please show how to figure out this problem
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
i=Prt
r=i/Pt
r=5000/9000*5
r=.111=11.1%