An investor invested a total of $1,800 in two mutal funds. One fund earned a 5% profit and the other earned a 3% profit.  If the investor's total profit was $62, how much was invested in each mutal fund?
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1 Answer

x+y=1800$, or y=1800-x

0.03x +0.05y=62$

0.03x + 0.05*(1800-x)=62

0.03x -0.05x +90=62

-0.02x=-28

2x=+2800

x=1400
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