document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=4713>Question 4713</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 4 small cheeseburgers & 3 orders of fries cost $11.45. Cost of 2 small cheeseburgers and 1 order of fries is $5.13. Set up a system of linear equations and solve to find the cost of each item. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #2214 by </B><A HREF=/tutors/aboutme.mpl?userid=rapaljer><B>rapaljer(4671)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rapaljer><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=rapaljer><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=2214\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let x = number of cheeseburgers<BR>\n" );
document.write( "y = number of orders of fries\r<BR>\n" );
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document.write( "4x + 3y = 11.45<BR>\n" );
document.write( "2x + y = 5.13\r<BR>\n" );
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document.write( "Multiply each side of the second equation by -3:<BR>\n" );
document.write( "4x + 3y = 11.45<BR>\n" );
document.write( "-6x - 3y = -15.39\r<BR>\n" );
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document.write( "-2x = -3.94\r<BR>\n" );
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document.write( "Divide each side by -2, \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+-3.94%2F-2 ALIGN=MIDDLE  ALT=\"x+=+-3.94%2F-2\"   DISABLED_style= \"max-width:90%; height:auto;\" > = $1.97\r<BR>\n" );
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document.write( "Substitute into the second equation:<BR>\n" );
document.write( "2x + y = 5.13<BR>\n" );
document.write( "2(1.97) + y = 5.13<BR>\n" );
document.write( "3.94 + y = 5.13\r<BR>\n" );
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document.write( "Subtract 1.94 from each side:<BR>\n" );
document.write( "3.94 -3.94 + y = 5.13 - 3.94<BR>\n" );
document.write( "y = $1.19\r<BR>\n" );
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document.write( "Check in first equation:<BR>\n" );
document.write( "4x + 3y = 11.45<BR>\n" );
document.write( "4(1.97) + 3(1.19) = 11.45<BR>\n" );
document.write( "7.88 + 3.57 =$11.45\r<BR>\n" );
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document.write( "Cheeseburger = $1.97<BR>\n" );
document.write( "Fries = $1.19\r<BR>\n" );
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document.write( "R^2 at SCC </SPAN>\n" );
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