document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=186564>Question 186564</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A salesman knows he has 36 tables in his store room, some of which have 3 legs and other 4 legs. He discovers by counting that there are 124 legs. How many tables with 4 legs does he have?\r<BR>\n" );
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document.write( "(3x / 36)+(4x / 36) = 124<BR>\n" );
document.write( "12x + 9x = 124 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #139824 by </B><A HREF=/tutors/aboutme.mpl?userid=vleith><B>vleith(2983)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=vleith><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=139824\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> let t be three legged tables and f be four legged ones<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t+%2B+f+=+36 ALIGN=MIDDLE  ALT=\"t+%2B+f+=+36\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3t+%2B+4f+=+124 ALIGN=MIDDLE  ALT=\"3t+%2B+4f+=+124\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Use elimination<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t+%2B+f+=+36 ALIGN=MIDDLE  ALT=\"t+%2B+f+=+36\"   DISABLED_style= \"max-width:90%; height:auto;\" >  multiply by 3<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3t+%2B+3f+=+108 ALIGN=MIDDLE  ALT=\"3t+%2B+3f+=+108\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3t+%2B+4f+=+124 ALIGN=MIDDLE  ALT=\"3t+%2B+4f+=+124\"   DISABLED_style= \"max-width:90%; height:auto;\" >   subtract<BR>\n" );
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document.write( "-f = -16<BR>\n" );
document.write( "f = 16<BR>\n" );
document.write( "so t = 36-16 = 20\r<BR>\n" );
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document.write( "Does 3*20 + 4*16 = 124? </SPAN>\n" );
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