document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1201150>Question 1201150</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A certain automobile cooling system contains 12.0 L of coolant that is 15% antifreeze.\r<BR>\n" );
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document.write( "How many liters of mixture must be removed so that, when it is replaced with pure antifreeze, a mixture of 23% antifreeze will result? </SPAN>\n" );
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document.write( "A certain automobile cooling system contains 12.0 L of coolant that is 15% antifreeze.\r<BR>\n" );
document.write( "\n" );
document.write( "How many liters of mixture must be removed so that, when it is replaced with pure antifreeze, a mixture of 23% antifreeze will result?\r<BR>\n" );
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document.write( "Initialquantity = 12L<BR>\n" );
document.write( "strength = 15%\r<BR>\n" );
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document.write( "remove x litres<BR>\n" );
document.write( "Solution remaining = (12-x)<BR>\n" );
document.write( "You add pure antifreeze to replace x<BR>\n" );
document.write( "Final antifreeze 23%  12 L\r<BR>\n" );
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document.write( "(12-x)*15% +100%*x = 23%*12<BR>\n" );
document.write( "Multiply by 100 the equation<BR>\n" );
document.write( "(12-x)*15 +100x=23*12<BR>\n" );
document.write( "180-15x+100x=276<BR>\n" );
document.write( "85x =96<BR>\n" );
document.write( "x =96/85<BR>\n" );
document.write( "=1.13 L has to be removed\r<BR>\n" );
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document.write( " </SPAN>\n" );
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