document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1013409>Question 1013409</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I think this is a linear equation, but anyways, here's the problem:\r<BR>\n" );
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document.write( "The length of a room is four times its width. If the perimeter is 250 feet, what are the dimensions of the room?  I set up two equations:\r<BR>\n" );
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document.write( "1) 4l +w=250<BR>\n" );
document.write( "2)   l -w =0\r<BR>\n" );
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document.write( "I used the method of elimination and ended up with:\r<BR>\n" );
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document.write( "5l = 250 and then I divided by 5.\r<BR>\n" );
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document.write( "The result was l = 50. I divided that by 4 and got 12.5 inches which I presumed was the measurement of the width. My final answer was:\r<BR>\n" );
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document.write( "l=50 in and w=12.5 in (there is no dimension specified, but I used inches)\r<BR>\n" );
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document.write( "Am I correct, or was I supposed to plug 50 back in to the original equation?\r<BR>\n" );
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document.write( "Thanks for helping, and please show your work! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #629666 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=629666\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The character which looks like the ONE digit is a very bad choice for a variable because it interferes with reading.\r<BR>\n" );
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document.write( "L for length, w for width.<BR>\n" );
document.write( "The length of a room is four times its width,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=L=4w ALIGN=MIDDLE  ALT=\"L=4w\"   DISABLED_style= \"max-width:90%; height:auto;\" >;\r<BR>\n" );
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document.write( "...perimeter is 250 feet.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2L%2B2w=250 ALIGN=MIDDLE  ALT=\"2L%2B2w=250\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=L%2Bw=125 ALIGN=MIDDLE  ALT=\"L%2Bw=125\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4w%2Bw=125 ALIGN=MIDDLE  ALT=\"4w%2Bw=125\"   DISABLED_style= \"max-width:90%; height:auto;\" > by substitution;<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5w=125 ALIGN=MIDDLE  ALT=\"5w=125\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28w=25%29 ALIGN=MIDDLE  ALT=\"highlight%28w=25%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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