document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=88888>Question 88888</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How many liters of an 11% alcohol solution should be mixed with 60 liters of a 5% alcohol solution to obtain a mixture that is 7% alcohol? </SPAN>\n" );
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document.write( "Amt of 5% solution = 60 L ; amt of active ingredient = 0.05*60 = 3 L<BR>\n" );
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document.write( "Amt of 11% solution = x L ; amt of active ingredient = 0.11x L<BR>\n" );
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document.write( "Amt of 7% mixture = (60+x) L ; Amt of active ingre = 0.07(60+x) = 4.2+0.07x L<BR>\n" );
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document.write( "EQUATION:<BR>\n" );
document.write( "active + active = active<BR>\n" );
document.write( "3 + 0.11x = 4.2+0.07x<BR>\n" );
document.write( "0.04x = 1.2<BR>\n" );
document.write( "x = 30 liters (amt of 11% solution that must be mixed)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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