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Mathematics 17 Online
OpenStudy (anonymous):

please help ive tried everything a college student earned 8200 during summer vacation working as a waiter in a popular resturant. the student invested part of the money at 10% and the rest at 7 %. if the student recieved a total of 664 in interest at the end of the year how much was invested at 10 % a.3000 b.1171 c.5200 d.4100

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