document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=743366>Question 743366</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A chemist needs  6 gallons of 88% gas by mixing 87% gas and 93% gas.\r<BR>\n" );
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document.write( " how many gallons of each type of gas does he need? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #452849 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=452849\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Learn the distinction between \"gas\" and \"gasoline\".  A reader could easily take your question to mean 6 gallons of something in the gaseous state of matter.  The question may, in fact, mean that, but seems unclear.  \r<BR>\n" );
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document.write( " But, to the solution.\r<BR>\n" );
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document.write( "VARIABLES<BR>\n" );
document.write( "T = 88% wanted<BR>\n" );
document.write( "L = 87% source<BR>\n" );
document.write( "H = 93% source<BR>\n" );
document.write( "M = 6 gallons, mixture wanted<BR>\n" );
document.write( "u = how much of Low percent gas<BR>\n" );
document.write( "v = how much of High percent gas\r<BR>\n" );
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document.write( "FORM EQUATIONS<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28Lu%2BHv%29%2FM=T ALIGN=MIDDLE  ALT=\"%28Lu%2BHv%29%2FM=T\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=u%2Bv=M ALIGN=MIDDLE  ALT=\"u%2Bv=M\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "SOLUTION METHOD<BR>\n" );
document.write( "Solve the system symbolically for u and v.  Substitute given values to evaluate u and v. </SPAN>\n" );
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