document.write( "Question 220427: How much water should be added to 1 gallon of pure antifreeze to obtain a solution that is 60% antifreeze? \n" ); document.write( "
Algebra.Com's Answer #166048 by Alan3354(69443)\"\" \"About 
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How much water should be added to 1 gallon of pure antifreeze to obtain a solution that is 60% antifreeze?
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\n" ); document.write( "The original 1 gallon of a/f will be 60% of the solution, s.
\n" ); document.write( "1 gallon = 60% = 0.6s
\n" ); document.write( "s = 1/0.6 = 5/3 gallons
\n" ); document.write( "Add 2/3 gallons.
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