document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=147618>Question 147618</A>: <I><SPAN STYLE=\"word-break: break-all;\"> eighty liters of a 40% antifreeze solution had to be strengthened so it contained 52% antifreeze. how much should be added? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #107990 by </B><A HREF=/tutors/aboutme.mpl?userid=Nate><B>Nate(3500)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Nate><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=107990\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> I'm guessing you are adding 100% or pure antifreeze.<BR>\n" );
document.write( "( 80 * 40% + x * 100% ) / ( 80 + x ) = 52%<BR>\n" );
document.write( "( 32 + x ) / ( 80 + x ) = 0.52<BR>\n" );
document.write( "32 + x = 0.52( 80 + x )<BR>\n" );
document.write( "32 + x = 41.6 + 0.52x<BR>\n" );
document.write( "0.48x = 9.6<BR>\n" );
document.write( "x = 20 Litres of antifreeze </SPAN>\n" );
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