document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=757499>Question 757499</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How many liters of a 30% alcohol solution should be added to 40 litres of a 60% alcohol solution to prepare a 50% solution? <BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #460843 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39618)</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=460843\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> VARIABLES<BR>\n" );
document.write( "L=30%<BR>\n" );
document.write( "H=60%<BR>\n" );
document.write( "T=50%<BR>\n" );
document.write( "u=unknown amount of the 30% alcohol<BR>\n" );
document.write( "v=40 liters of the 60% alcohol\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28Lu%2BHv%29%2F%28u%2Bv%29=T ALIGN=MIDDLE  ALT=\"%28Lu%2BHv%29%2F%28u%2Bv%29=T\"   DISABLED_style= \"max-width:90%; height:auto;\" >  Solve for u.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Lu%2BHv=Tu%2BTv ALIGN=MIDDLE  ALT=\"Lu%2BHv=Tu%2BTv\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Tu%2BTv=Lu%2BHv ALIGN=MIDDLE  ALT=\"Tu%2BTv=Lu%2BHv\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Tu-Lu=Hv-Tv ALIGN=MIDDLE  ALT=\"Tu-Lu=Hv-Tv\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=u%28T-L%29=Hv-Tv ALIGN=MIDDLE  ALT=\"u%28T-L%29=Hv-Tv\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28u=v%28H-T%29%2F%28T-L%29%29 ALIGN=MIDDLE  ALT=\"highlight%28u=v%28H-T%29%2F%28T-L%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Substitute the known given values to find the value for u. </SPAN>\n" );
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