document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=871470>Question 871470</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A factory is to be built on a lot that measures 80m by 60m. A lawn of uniform width and equal in area of the factory must surround the factory. What dimensions must the factory have?<BR>\n" );
document.write( "Using quadratic equations and the quadratic formula (grade 10) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #525544 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=525544\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 80 and 60 dimensions of lot.\r<BR>\n" );
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document.write( "Lot, 80*60 is the area.<BR>\n" );
document.write( "Let w = uniform width surrounding the factory.<BR>\n" );
document.write( "Factory area = (80-2w)(60-2w).\r<BR>\n" );
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document.write( "Factory and lawn of uniform width are equal in area.  Think carefully about this.  The lot area is TWO times the factory area.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2880%2A60%29%2F%28%2880-2w%29%2860-2w%29%29=2 ALIGN=MIDDLE  ALT=\"%2880%2A60%29%2F%28%2880-2w%29%2860-2w%29%29=2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Or depending how best you think this,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=80%2A60=2%2880-2w%29%2860-2w%29 ALIGN=MIDDLE  ALT=\"80%2A60=2%2880-2w%29%2860-2w%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Solve for w and use the value to find the dimensions of the FACTORY. </SPAN>\n" );
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