document.write( "Question 844082: How many quarts of pure antifreeze must be added to 2 quarts of a 30% antifreeze solution to obtain a 40% antifreeze solution? \n" ); document.write( "

Algebra.Com's Answer #508537 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi,
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document.write( "How many quarts of pure antifreeze must be added to 
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document.write( "2 quarts of a 30% antifreeze solution to obtain a 40% antifreeze solution?
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document.write( "x + .30(2QT) = .40(2QT + x)
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document.write( "x + .30(2QT) = .40(2QT) + .40x
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document.write( "   .60x = .10(2Qt)
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document.write( "      x = .10(2Qt)/.60 \n" );
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