document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=714005>Question 714005</A>: <I><SPAN STYLE=\"word-break: break-all;\"> john needs to mix 10% saline solution with 30% saline to create 200 milliliters of 18% solution. How much milliliters must john use? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #438636 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=438636\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x and y for volume to use of the 10% saline and for the 30% saline.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2810x%2B30y%29%2F200=18 ALIGN=MIDDLE  ALT=\"%2810x%2B30y%29%2F200=18\"   DISABLED_style= \"max-width:90%; height:auto;\" > AND <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2By=200 ALIGN=MIDDLE  ALT=\"x%2By=200\"   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=%281x%2B3y%29%2F20=18 ALIGN=MIDDLE  ALT=\"%281x%2B3y%29%2F20=18\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2B3y=20%2A18 ALIGN=MIDDLE  ALT=\"x%2B3y=20%2A18\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2B3y=360 ALIGN=MIDDLE  ALT=\"x%2B3y=360\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Solve this system for x and y:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28x%2B3y=360%29 ALIGN=MIDDLE  ALT=\"highlight%28x%2B3y=360%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28x%2By=200%29 ALIGN=MIDDLE  ALT=\"highlight%28x%2By=200%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "The easiest way to continue is subtract the second equation from the first equation (of the system, of course) to very easily obtain a value for y, the volume to use of the 30% saline.   </SPAN>\n" );
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