document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=780830>Question 780830</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Ehmjie bought three times as many burgers as chocolate bars. Each burger costs Php30 and each chocolate bar is Php55 more than each burger. If she spent Php700 in all, how many chocolate bars did she buy? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #475701 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=475701\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Linear system of equations.\r<BR>\n" );
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document.write( "Let x = count of burgers<BR>\n" );
document.write( "Let y = count of chocolate bars<BR>\n" );
document.write( "Given information makes <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=3y ALIGN=MIDDLE  ALT=\"x=3y\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "cost for the burgers, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2A30 ALIGN=MIDDLE  ALT=\"x%2A30\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "cost for the chocolate bars, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y%2A55 ALIGN=MIDDLE  ALT=\"y%2A55\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Actual cost spent was 700 Php, so this must be the sum of the costs of each product.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%2830x%2B55y=700%29 ALIGN=MIDDLE  ALT=\"highlight%2830x%2B55y=700%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "and <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28x=3y%29 ALIGN=MIDDLE  ALT=\"highlight%28x=3y%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >, as found earlier.\r<BR>\n" );
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document.write( "Easiest way to handle the system is use the formula for x to substitute into the total cost 700 equation, and solve for the y value.  Return again to the formula for x and use the y value to compute x.\r<BR>\n" );
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document.write( "-----------Skipping the steps from there, and keeping results as rational numbers,-------------<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+420%2F29 ALIGN=MIDDLE  ALT=\"x+=+420%2F29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y+=+140%2F29 ALIGN=MIDDLE  ALT=\"y+=+140%2F29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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