document.write( "Question 912308: how many quarts of a 60% alcohol must be added to 40 quarts of a 20% alcohol solution to obtain a mixture which is 30% alcohol? \n" ); document.write( "
Algebra.Com's Answer #553745 by josgarithmetic(39618)\"\" \"About 
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40, quarts of 20%
\n" ); document.write( "v, quarts of 60%\r
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\n" ); document.write( "\n" ); document.write( "\"%2820%2A40%2B60v%29%2F%28v%2B40%29=30\"\r
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\n" ); document.write( "\n" ); document.write( "http://www.algebra.com/my/Two-Part-Mixture-with-one-material-quantity-unknown.lesson?content_action=show_dev
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