Mathematics, 10.11.2019 23:31 gensevilla54

Acollege student earned $7,200 during summer vacation as a waiter. the student invested part of the money at %7 and the rest at %6. if the student received a total of $459 in interest at the end of the year, how much was invested at %7?

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Acollege student earned $7,200 during summer vacation as a waiter. the student invested part of the...