document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=930267>Question 930267</A>: <I><SPAN STYLE=\"word-break: break-all;\"> how many liters of each of 5%,10%, and 40% acid solution should be mixed together to get 18L of 20% solution, if the amount of 5% solution used to be 4L more than the amount of 10% solution used </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #565004 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=565004\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x, y, z for volume of 5,10,40 percents acid.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2By%2Bz=18 ALIGN=MIDDLE  ALT=\"x%2By%2Bz=18\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "Acid/volume=20%\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%285x%2B10y%2B40z%29%2F18=20 ALIGN=MIDDLE  ALT=\"%285x%2B10y%2B40z%29%2F18=20\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Part of the description means <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=y%2B10 ALIGN=MIDDLE  ALT=\"x=y%2B10\"   DISABLED_style= \"max-width:90%; height:auto;\" >.  Substituting into the other two equations:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%28y%2B10%2By%2Bz=18%2C%285%28y%2B10%29%2B10y%2B40z%29%2F18=20%29 ALIGN=MIDDLE  ALT=\"system%28y%2B10%2By%2Bz=18%2C%285%28y%2B10%29%2B10y%2B40z%29%2F18=20%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >;<BR>\n" );
document.write( "Just simplify and solve this system for y and z, and then evaluate x. </SPAN>\n" );
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