document.write( "Question 667809: How many quarts of pure alcohol must be added to 10 quarts of a 15% alcohol solution to obtain a mixture which is 25% alcohol? All percentage are by volume.
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Algebra.Com's Answer #415236 by ewatrrr(24785)\"\" \"About 
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\n" ); document.write( "Hi,
\n" ); document.write( "How many quarts\"highlight%28x%29\" of pure alcohol must be added to 10 quarts of a 15% alcohol solution
\n" ); document.write( "to obtain a mixture which is 25% alcohol?
\n" ); document.write( "Mixing Algebraically
\n" ); document.write( " x + .15·10qt = .25(10+x) || Solve for x \n" ); document.write( "
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