SOLUTION: Calculate the percentage rate of simple interest paid if a $5000 investment over 6.5 years gave a return of $ 7730.

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Question 1110659: Calculate the percentage rate of simple interest paid if a $5000 investment over 6.5 years gave a return of $ 7730.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
F=P%281%2Brt%29
1%2Brt=F%2FP
rt=F%2FP-1%0D%0A%7B%7B%7Br=%28F%2FP-1%29%2Ft
r=%287730%2F5000-1%29%2F6.5
Work that out for the rate.