document.write( "Question 1154789: ow many ounces of a 10 % alcohol solution must be mixed with 18 ounces of a 15 % alcohol solution to make a 11 % alcohol solution? \n" ); document.write( "

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ow many ounces of a 10 % alcohol solution must be mixed with 18 ounces of a 15 % alcohol solution to make a 11 % alcohol solution?
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Let amount of 10% alcohol be T
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document.write( "Then we get: .1T + .15(18) = .11(T + 18)
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document.write( ".1T + .15(18) = .11T + .11(18)
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document.write( ".15(18) - .11(18) = .11T - .1T
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document.write( ".04(18) = .01T
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