document.write( "Question 340917: 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 #244180 by nerdybill(7384)\"\" \"About 
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how much water should be added to 1 gallon of pure antifreeze to obtain a solution that is 65% antifreeze?
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\n" ); document.write( "Let x = gallons of water added
\n" ); document.write( "then
\n" ); document.write( "0x + 1(1) = .65(1 + x)
\n" ); document.write( "1 = .65(1 + x)
\n" ); document.write( "1 = .65 + .65x
\n" ); document.write( ".35 = .65x
\n" ); document.write( ".35/.65 = x
\n" ); document.write( ".54 gallons = x\r
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