SOLUTION: a sum of 350$ is invested at a simple interest and amounts to 476$ after 3 years. calculate the total interest

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Question 914345: a sum of 350$ is invested at a simple interest and amounts to 476$ after 3 years. calculate the total interest
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
I = $476 - $350 = $126
I = Prt
$126 = 350(r)3
$126/$1050 = r = .12 0r 12% interest