document.write( "Question 354271: how many ounces of a 10% alcohol solution must be mixed with 18 ounces of a 15% alcohol solution to make a 13% alcohol solution? \n" ); document.write( "
Algebra.Com's Answer #253197 by ewatrrr(24785)\"\" \"About 
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\n" ); document.write( "10% alcohol solution must be mixed with 18 ounces of a 15% alcohol solution to make a 13% alcohol solution?
\n" ); document.write( "*Note: Let x be the amount of the total 10% solution.
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\n" ); document.write( ".10x + .15*18oz = .13(18oz+x)\r
\n" ); document.write( "\n" ); document.write( ".15*18oz + .13*18oz = .13x - .10x
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\n" ); document.write( ".02*18oz = .03x\r
\n" ); document.write( "\n" ); document.write( "12oz = x
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\n" ); document.write( "check our answer
\n" ); document.write( "1.2 + 2.7 = 3.9
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