document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=392532>Question 392532</A>: <I><SPAN STYLE=\"word-break: break-all;\"> An automobile radiator contains 16 quarts of a 20% solution of antifreeze. How much of the original solution must be drawn off and replaced by pure antifreeze to make a 25% antifreeze? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #278594 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=278594\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> An automobile radiator contains 16 quarts of a 20% solution of antifreeze. How much of the original solution must be drawn off and replaced by pure antifreeze to make a 25% antifreeze?<BR>\n" );
document.write( "..<BR>\n" );
document.write( "16 quarts of a 20% solution <BR>\n" );
document.write( "pure antifreeze 100% x quarts<BR>\n" );
document.write( "25% antifreeze mix x+16 quarts<BR>\n" );
document.write( "...<BR>\n" );
document.write( "concentration equation<BR>\n" );
document.write( "16*20+100x=25(x+16)<BR>\n" );
document.write( "320+100x=25x+400<BR>\n" );
document.write( "100x-25x=400-320<BR>\n" );
document.write( "75x=80<BR>\n" );
document.write( "/75<BR>\n" );
document.write( "x= 80/75<BR>\n" );
document.write( "x= 1.06 quarts of antifeeze<BR>\n" );
document.write( "...<BR>\n" );
document.write( "m.ananth@hotmail.ca </SPAN>\n" );
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