document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=559646>Question 559646</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a car radiator has a capacity of 16 quartz and is filled with a 25% antifreeze solution. how much must be drained off and replaced with pure antifreeze to obtain a 40% antifreeze solution? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #844451 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=844451\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a car radiator has a capacity of 16 quartz and is filled with a 25% antifreeze solution. how much must be drained off and replaced with pure antifreeze to obtain a 40% antifreeze solution?\r<BR>\n" );
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document.write( "Initial conc = 25%Final conc = 40%\r<BR>\n" );
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document.write( "100% antifreeze x qts <BR>\n" );
document.write( "Antifreeze to be removed =x\r<BR>\n" );
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document.write( "(16-x)*0.25+1*x = 0.4(16)\r<BR>\n" );
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document.write( "4-0.25x +x = 6.4 \r<BR>\n" );
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document.write( "0.75x = 2.4\r<BR>\n" );
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document.write( "x = 3.2 qts\r<BR>\n" );
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document.write( " </SPAN>\n" );
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