document.write( "Question 339854: How much water should be added to 1 gallon of pure antifreeze to obtain a solution that is 65% antifreeze? \n" ); document.write( "
Algebra.Com's Answer #243567 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
Water is 0% antifreeze solution.
\n" ); document.write( "Let A be the amount of water added.
\n" ); document.write( "\"0%28A%29%2B100%281%29=65%28A%2B1%29\"
\n" ); document.write( "\"65A%2B65=100\"
\n" ); document.write( "\"65A=35\"
\n" ); document.write( "\"A=35%2F65=7%2F13\" gallons
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