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Mathematics 21 Online
OpenStudy (anonymous):

Karim borrowed one hundred twenty dollars from his older brother for the purchase of a skateboard. He promised to pay back the loan in 6 months at a simple annual interest rate of fifteen percent. How much will Karim owe his brother at that time

OpenStudy (anonymous):

Interest=Principle x Rate x Time (in years) x=120(.15)(.5) x=9 120+9=$129.00

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