document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=987814>Question 987814</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A factory is to be built on a lot measuring 150 ft by 200 ft. A local building code specifies that a lawn of uniform width and equal in area to the factory must surround the factory.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #608631 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=608631\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> w and L for width and length of the floor of the factory, these KNOWN.<BR>\n" );
document.write( "x, unknown uniform width surrounding the factory.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=wL ALIGN=MIDDLE  ALT=\"wL\"   DISABLED_style= \"max-width:90%; height:auto;\" >, the factory area.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2wL ALIGN=MIDDLE  ALT=\"2wL\"   DISABLED_style= \"max-width:90%; height:auto;\" >, the combined border plus factory area.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28w%2B2x%29%28L%2B2x%29 ALIGN=MIDDLE  ALT=\"%28w%2B2x%29%28L%2B2x%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >, also is the combined border plus factory area.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2wL=%28w%2B2x%29%28L%2B2x%29 ALIGN=MIDDLE  ALT=\"2wL=%28w%2B2x%29%28L%2B2x%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "or<BR>\n" );
document.write( "The area of this factory must be surrounded by area of uniform width so that this border<BR>\n" );
document.write( "area is equal to the factory area:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28w%2B2x%29%28L%2B2x%29-wL=wL ALIGN=MIDDLE  ALT=\"%28w%2B2x%29%28L%2B2x%29-wL=wL\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Solve for x.<BR>\n" );
document.write( "Once that is done, evaluate x according to <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%28w=150%2CL=200%29 ALIGN=MIDDLE  ALT=\"system%28w=150%2CL=200%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >.<BR>\n" );
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