document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1168991>Question 1168991</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Vicky is a salon owner. Yesterday, she did 4 haircuts and colored the hair of 1 client, charging a total of $234. Today, she did 4 haircuts and colored the hair of 2 clients, charging a total of $316. How much does Vicky charge for her services? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #793653 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39621)</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=793653\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Only the number of hair-colorings and haircuts are important; the clients are not really part of the problem.\r<BR>\n" );
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document.write( "x coloring price<BR>\n" );
document.write( "y haircuts price\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%28x%2B4y=234%2C2x%2B4y=316%29 ALIGN=MIDDLE  ALT=\"system%28x%2B4y=234%2C2x%2B4y=316%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "E2-E1:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=316-234 ALIGN=MIDDLE  ALT=\"x=316-234\"   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=82%29 ALIGN=MIDDLE  ALT=\"highlight%28x=82%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >--------price for one hair-coloring job\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=%28316-2x%29%2F4=%28316-2%2A82%29%2F4 ALIGN=MIDDLE  ALT=\"y=%28316-2x%29%2F4=%28316-2%2A82%29%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" >,..,.. </SPAN>\n" );
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