document.write( "Question 881538: hello can someone solve this word problem please thanks\r
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\n" ); document.write( "\n" ); document.write( "how many gallons of 60% antifreeze solution must be mixed with 80 gallons of 20% antifreeze to get a mixture that is 50% antifreeze?
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Algebra.Com's Answer #532272 by josgarithmetic(39629)\"\" \"About 
You can put this solution on YOUR website!
\"%28pureAntifreeze%29%2F%28totalsolutionVolume%29=FractionOfAntifreeze\"\r
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\n" ); document.write( "\n" ); document.write( "The type of problem question you have is common as an exercise and you should study this lesson which explains HOW to solve it:\r
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\n" ); document.write( "\n" ); document.write( "Mixture: one material quantity unknown
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