Mathematics, 15.07.2019 08:20 AleOfficial101

In one year, michael earned $6300 as a work study in college. he invested part of the money at 9% and the rest at 7%. if he received a total of $493 in interest at the end of the year, how much was invested at 7%? how much was invested 9%?

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In one year, michael earned $6300 as a work study in college. he invested part of the money at 9% an...