document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=363699>Question 363699</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A radiator contains 7 qt of a 30% antifreeze solution. How much should be removed and replaced with pure antifreeze to yield 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 #259363 by </B><A HREF=/tutors/aboutme.mpl?userid=amoresroy><B>amoresroy(361)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=amoresroy><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=amoresroy><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=259363\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let x = the amount of solution to be replaced with pure antifreeze\r<BR>\n" );
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document.write( "0.3(7-x) + x   = .4(7)<BR>\n" );
document.write( "2.1 -.3x + x   = 2.8<BR>\n" );
document.write( "         .7x   = 2.8-2.1<BR>\n" );
document.write( "           x   = 1 qt </SPAN>\n" );
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