# SOLUTION: An investment of \$8000 earned a net gain of \$220 in one year. Part of the investment was in bonds and earned income at a rate of 7 %. The rest of the investment was in stocks and l

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 Question 167198: An investment of \$8000 earned a net gain of \$220 in one year. Part of the investment was in bonds and earned income at a rate of 7 %. The rest of the investment was in stocks and lost money at the rate of 10%. How much was invested in bonds?Answer by checkley77(12569)   (Show Source): You can put this solution on YOUR website!-.10x+.07(8000-x)=220 -.10x+560-.07x=220 -.17x=220-560 -.17x=-340 x=-340/-.17 x=\$2,000 invested @ 10% 8,000-2,000=6,000 invested @ 7%. Proof: -.10*2,000+.07*6,000=220 -200+420=220 220=220