document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1154197>Question 1154197</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A chemical company makes two brands of antifreeze. The first brand is 45% pure antifreeze, and the second brand is 85%  pure antifreeze. In order to obtain 40 gallons of a mixture that contains 75%  pure antifreeze, how many gallons of each brand of antifreeze must be used? </SPAN>\n" );
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document.write( "The quickest way to the answer to a mixture problem like this involving two ingredients:<br><BR>\n" );
document.write( "75% is three-fourths of the way from 45% to 85%.<BR>\n" );
document.write( "Therefore, three-fourths of the mixture is the higher percentage ingredient.<br><BR>\n" );
document.write( "ANSWER: 3/4 of 40 gallons, or 30 gallons, of 85% antifreeze, the other 10 gallons of 45% antifreeze.<br><BR>\n" );
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