document.write( "Question 1200059: How much water should be added to 1 gallon of pure antifreeze to obtain a solution that is 85% antifreeze \n" ); document.write( "
Algebra.Com's Answer #834074 by josgarithmetic(39617)\"\" \"About 
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Simple dilution with water
\n" ); document.write( "w gallons of water to add\r
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\n" ); document.write( "\n" ); document.write( "\"%281%2A1.00%29%2F%281%2Bw%29=0.85\"\r
\n" ); document.write( "\n" ); document.write( "\"0.85w%2B0.85=1\"\r
\n" ); document.write( "\n" ); document.write( "\"0.85w=0.15\"\r
\n" ); document.write( "\n" ); document.write( "\"w=0.17647058823529411764705%2Agallons\"\"calculationonly_unrealistic_accuracy\"\r
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\n" ); document.write( "\n" ); document.write( "Better to say, about 22 or 23 fluid ounces of water
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