You can
put this solution on YOUR website!.11x+.09(6000-x)=624
Comment: "x" amount of money was invested at 11% and "6000-x"
amount of money was invested at 9%, resulting in $624 of interest
earnings.
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.11x+540-.09x=624
Comment: The equaion was simplified
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.02x=624-540
Comment: More simplifying
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.02x=84
Comment: More
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x=84/.02
Comment: More
x=4200 invested @ 11%
Comment: "x" was the amount invested at 11%
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6000-4200=1800 amount invested @ 9%
Comment: "6000-x" was the amount invested at 9%
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Cheeers,
Stan H.
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