document.write( "Question 414153: how much water must be added to 300 gallons of 85% alcohol in order to reduce it to 70% alcohol? \n" ); document.write( "
Algebra.Com's Answer #290481 by Alan3354(69443)\"\" \"About 
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300 gallons of 85% alcohol has 300*0.85 = 255 gallons of alcohol
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\n" ); document.write( "For 255 gallons to be 70%, water has to be 30%
\n" ); document.write( "Total = 255/0.7 = 2550/7 =~ 364.286
\n" ); document.write( "Add 364.219 - 300 = 64.286 gallons of water
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