document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=260701>Question 260701</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What quantity x of a 75% acid solution must be mixed with a 25% solution to produce 500 mL of a 40% solution?\r<BR>\n" );
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document.write( "Amount x= </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #192037 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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/cgi-bin/show-face.mpl?user=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=192037\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x-Amount of 75% solution<BR>\n" );
document.write( "y-Amount of 25% solution<BR>\n" );
document.write( "1.<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2By=500 ALIGN=MIDDLE  ALT=\"x%2By=500\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "2.<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=75x%2B25y=40%28500%29=2000 ALIGN=MIDDLE  ALT=\"75x%2B25y=40%28500%29=2000\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "From eq. 1,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=500-y ALIGN=MIDDLE  ALT=\"x=500-y\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Substitute into eq. 2,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=75x%2B25y=2000 ALIGN=MIDDLE  ALT=\"75x%2B25y=2000\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=75%28500-y%29%2B25y=20000 ALIGN=MIDDLE  ALT=\"75%28500-y%29%2B25y=20000\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=37500-75y%2B25y=20000 ALIGN=MIDDLE  ALT=\"37500-75y%2B25y=20000\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-50y=-17500 ALIGN=MIDDLE  ALT=\"-50y=-17500\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=350 ALIGN=MIDDLE  ALT=\"y=350\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Then from eq. 1,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=500-y ALIGN=MIDDLE  ALT=\"x=500-y\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=500-350 ALIGN=MIDDLE  ALT=\"x=500-350\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=150 ALIGN=MIDDLE  ALT=\"x=150\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Use 150ml of 75% solution and 350ml of 25% solution.  </SPAN>\n" );
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