document.write( "Question 1053324: One solution contains 40% alcohol. A second contains 60%. You need 20 L of a 45% solution. How many L of the 40% should be used? \n" ); document.write( "
Algebra.Com's Answer #668563 by josgarithmetic(39617)\"\" \"About 
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x, how much of the 40% to use.
\n" ); document.write( "20-x, how much of the 60% to use.\r
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\n" ); document.write( "\n" ); document.write( "\"%2840x%2B60%2820-x%29%29%2F20=45\"
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