Asked by Carnell

You put $400 in an account earns $18 simple interest in 9 months.What is the annual interest rate?
Answered by Ms. Sue
I = PRT

18 = 400 * R * 0.75

18 = 300R

18/300 = R

0.06 = R

Answered by racheal
1048
Answered by racheal
sorry its 6
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