document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=721399>Question 721399</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Otto's car radiator contains 20 quarts of a 25% antifreeze solution. How many quarts of this solution must be drawn off and replaced with pure antifreeze so the radiator is filled with a 40% solution? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #442343 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=442343\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Draw off and replace v quarts.\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2820%2A25-v%2A25%2Bv%2A100%29%2F20=40 ALIGN=MIDDLE  ALT=\"%2820%2A25-v%2A25%2Bv%2A100%29%2F20=40\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Be sure to understand how that equation is made and works.  Volumes before and after are the same.  Some pure antifreeze will be removed and this is v*25% but this missing volume will be replaced with pure antifreeze material.<BR>\n" );
document.write( "Next, simplify and solve for v. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );