document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1128980>Question 1128980</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A 2.5 L container has a mixture of 25% alcohol. How many liters of the mixture must be drained out and replaced with pure alcohol in order to obtain a mixture containing 40% alcohol?  </SPAN>\n" );
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document.write( "A 2.5 L container has a mixture of 25% alcohol. How many liters of the mixture must be drained out and replaced with pure alcohol in order to obtain a mixture containing 40% alcohol?<BR>\n" );
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document.write( "Drain and replace volume v liters.\r<BR>\n" );
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document.write( "Drain first v liters of 25% alcohol and then replace with v liters of the 100% alcohol.\r<BR>\n" );
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document.write( "Simplify and solve for v. </SPAN>\n" );
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