SOLUTION: Marita invested a total of $25,000 in stocks, bonds, and a mutual fund. In one year she earned 8% on her stock investment, 10% on her bond investment, and 6% on her mutual fund, wi

Question 814187: Marita invested a total of $25,000 in stocks, bonds, and a mutual fund. In one year she earned 8% on her stock investment, 10% on her bond investment, and 6% on her mutual fund, with a total return of $1,860. Unfortunately, the amount invested in the mutual fund was twice as large as the amount she invested in the bonds. How much did she invest in each?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
a+b+c=25000,
.08a+.1b+.06c=1860,
c=2b
a=4000., b=7000., c=14000.

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