document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=823376>Question 823376</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A 90% dye solution is to be mixed with 75% dye solution to get 120 liters of a 78% dye solution. How many liters of the 90% and 75% solution will be needed. I know the short cut to get answer but I don't know how to break equation down step by step. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #495706 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=495706\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> {Amount of dye}/{Amount of solution}={concentration}\r<BR>\n" );
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document.write( "Let u = how much volume of the 90%<BR>\n" );
document.write( "Let v = how much volume of the 75%\r<BR>\n" );
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document.write( "Amount of dye:  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=u%2A90%2Bv%2A75 ALIGN=MIDDLE  ALT=\"u%2A90%2Bv%2A75\"   DISABLED_style= \"max-width:90%; height:auto;\" >, being 100 times larger than actual\r<BR>\n" );
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document.write( "Amount of dye solution:   <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=u%2Bv=120 ALIGN=MIDDLE  ALT=\"u%2Bv=120\"   DISABLED_style= \"max-width:90%; height:auto;\" >, which is also one of your system equations.\r<BR>\n" );
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document.write( "The other system equation is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2890u%2B75v%29%2F120=78 ALIGN=MIDDLE  ALT=\"%2890u%2B75v%29%2F120=78\"   DISABLED_style= \"max-width:90%; height:auto;\" >, which is based directly on the first expression explained. </SPAN>\n" );
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