document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=981810>Question 981810</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Determine the number of liters each of 9% acid solution and 5% acid solution that must be mixed to end up with 1000 liters of 7% acid solution. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #602744 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=602744\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Two-part mixture problem, but can be done in ONE variable.\r<BR>\n" );
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document.write( "Let u be volume of the 5% acid, and then 1000-u is the volume of the 9% acid.\r<BR>\n" );
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document.write( "Want result mixture, 7% acid.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28%285u%2B9%281000-u%29%29%2F1000=7%29 ALIGN=MIDDLE  ALT=\"highlight%28%285u%2B9%281000-u%29%29%2F1000=7%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Solve for u..... </SPAN>\n" );
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