document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=935989>Question 935989</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A rancher wants to use 400 feet of fencing to enclose a rectangular area of 5100 square feet.  What dimensions should the rectangle have? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #569403 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=569403\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A rancher wants to use 400 feet of fencing to enclose a rectangular area of 5100 square feet. What dimensions should the rectangle have?<BR>\n" );
document.write( "***<BR>\n" );
document.write( "let x=width of rectangular area<BR>\n" );
document.write( "length=(400-2x)/2=(200-x)<BR>\n" );
document.write( "length*width=area<BR>\n" );
document.write( "x(200-x)=5100<BR>\n" );
document.write( "200x-x^2=5100<BR>\n" );
document.write( "x^2-200x+5100=0<BR>\n" );
document.write( "(x-170)(x-30)=0<BR>\n" );
document.write( "x=170<BR>\n" );
document.write( "or<BR>\n" );
document.write( "x=30<BR>\n" );
document.write( "200-x=170<BR>\n" );
document.write( "What dimensions should the rectangle have?<BR>\n" );
document.write( "width=30 ft<BR>\n" );
document.write( "length=170 ft\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );