document.write( "Question 1159808: A chemical company makes two brands of antifreeze. The first brand is 20% pure antifreeze, and the second is 45% pure antifreeze. In order to obtain 80 gallons of a mixture that contains 40% pure antifreeze, how many gallons of each brand of antifreeze must be used? \n" ); document.write( "
Algebra.Com's Answer #782890 by josgarithmetic(39625)\"\" \"About 
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\"80%281%2F5%29=16\" gallons of the 20%\r
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\n" ); document.write( "\n" ); document.write( "\"80%284%2F5%29=64\" gallons of the 45%
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