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Mathematics 17 Online
OpenStudy (anonymous):

A biulding contractor gives a $15,000 prommissory note to a plumber who has loaned him $15,000. The loan is due in 8 months with a simple interest rate at 7%. Three months after the loan is signed, the plumber sells it to the bank. If the bank gets a 9% return on its investments, how much will the plumber recieve?

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