# SOLUTION: Colin invested 10,000, part at 14% and part at 17%. If the total interest at the end of the year is 1,490, how much did he invest at 14%?

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 Question 243339: Colin invested 10,000, part at 14% and part at 17%. If the total interest at the end of the year is 1,490, how much did he invest at 14%?Answer by checkley77(12569)   (Show Source): You can put this solution on YOUR website!.14x+.17(10,000-x)=1,490 .14x+1,700-.17x=1,490 -.03x=1,490-1,700 -.03x=-210 x=210/.03 x=\$7,000 invested @ 14%. 10,000-7,000=3,000 invested @ 17% Proof: .14*7,000+.17*3,000=1,490 980+510=1,490 1,490=1,490