Andy C. answered • 09/16/18

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X is invested in stocks and Y is invested in bonds

X+Y = 10000

0.065X + 0.0425Y = 582.50 is the interest returned

0.065X + 0.0425(10000 - X) = 582.50

650X + 425(10000 - X) = 5825000

650X - 425X = 5828000 - 4250000

X=7013.33

Y = 2986.66