SOLUTION: A part time construction worker earned $7300. He invested some money at 7 percent and the rest at 6 percent. If he received $458 total in interest at the end of the year, how much

SOLUTION: A part time construction worker earned $7300. He invested some money at 7 percent and the rest at 6 percent. If he received $458 total in interest at the end of the year, how much

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Question 398154: A part time construction worker earned $7300. He invested some money at 7 percent and the rest at 6 percent. If he received $458 total in interest at the end of the year, how much of his money was invested at 7 percent?
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
0.07x+0.06(7300-x)=458
0.07x+438-0.06x=458
0.01x=20
x=2000 at 7%
7300-x=5300 at 6%
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