document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=713499>Question 713499</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A chemist mixes X grams of a 20% saline solution and Y grams of a 5% saline solution to make 4.5 grams of a 10% saline solution. What are the values of x and y? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #438469 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=438469\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2820X%2B5Y%29%2F%284.5%29=10 ALIGN=MIDDLE  ALT=\"%2820X%2B5Y%29%2F%284.5%29=10\"   DISABLED_style= \"max-width:90%; height:auto;\" > AND <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=X%2BY=4.5 ALIGN=MIDDLE  ALT=\"X%2BY=4.5\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "The numbers of the problem were chosen by the author so you could conveniently divide the percentage equation by 5; you should then multiply both sides by 4.5.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4X%2BY=45 ALIGN=MIDDLE  ALT=\"4X%2BY=45\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "The system to solve is this:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4X%2BY=45 ALIGN=MIDDLE  ALT=\"4X%2BY=45\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=X%2BY=4.5 ALIGN=MIDDLE  ALT=\"X%2BY=4.5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "This is also very convenient because now you can subtract the second equation from the first equation and quickly get a value for X.  \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3X%2B0=40.5 ALIGN=MIDDLE  ALT=\"3X%2B0=40.5\"   DISABLED_style= \"max-width:90%; height:auto;\" >,.... See?  Now quickly solve for X.... </SPAN>\n" );
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