document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1103833>Question 1103833</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A chemist has three different acid solutions. The first acid solution contains 15% acid, the second contains 30% acid, and the third contains 75% acid. He wants to use all three solutions to obtain a mixture of 216 liter containing 25% acid, using 2 times as much of the 75% solution as the 30% solution. How many liters of each solution should be used? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #718529 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=718529\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x liters of 15%<BR>\n" );
document.write( "y liters of 30%<BR>\n" );
document.write( "z liters of 75%\r<BR>\n" );
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document.write( "Accounting for pure acid<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=15x%2B30y%2B75z=%2825%29%28216%29 ALIGN=MIDDLE  ALT=\"15x%2B30y%2B75z=%2825%29%28216%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "simplify to <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3x%2B6y%2B15z=5%28216%29 ALIGN=MIDDLE  ALT=\"3x%2B6y%2B15z=5%28216%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2B2y%2B5z=360 ALIGN=MIDDLE  ALT=\"x%2B2y%2B5z=360\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Accounting for total volume of blend<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2By%2Bz=216 ALIGN=MIDDLE  ALT=\"x%2By%2Bz=216\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "---------------------------------------------------------------------------<BR>\n" );
document.write( "He wants to use all three solutions to obtain a mixture of...,using 2 times as much of the 75% solution as the 30% solution. <BR>\n" );
document.write( "---------------------------------------------------------------------------\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=z%2Fy=2 ALIGN=MIDDLE  ALT=\"z%2Fy=2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=z=2y ALIGN=MIDDLE  ALT=\"z=2y\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Simplify this system:  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%28x%2B2y%2B5%282y%29=360%2Cx%2By%2B2y=216%29 ALIGN=MIDDLE  ALT=\"system%28x%2B2y%2B5%282y%29=360%2Cx%2By%2B2y=216%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >,...\r<BR>\n" );
document.write( "<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%28x%2B12y=360%2Cx%2B3y=216%29 ALIGN=MIDDLE  ALT=\"system%28x%2B12y=360%2Cx%2B3y=216%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x%2B12y%29-%28x%2B3y%29=144 ALIGN=MIDDLE  ALT=\"%28x%2B12y%29-%28x%2B3y%29=144\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=9y=144 ALIGN=MIDDLE  ALT=\"9y=144\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28y=16%29 ALIGN=MIDDLE  ALT=\"highlight%28y=16%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >----------Use this to find z and x. </SPAN>\n" );
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