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OpenStudy (anonymous):
A college student earned $5100 during summer vacation working as a waiter in a popular restaurant. The student invested part of the money at 9% and the rest at 8%. If the student received a total of $445 in interest at the end of the year, how much was invested at 9%?
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OpenStudy (precal):
|dw:1369519362291:dw|solve the following system for your solution
OpenStudy (precal):
the y value is your solution
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