document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=475285>Question 475285</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A rectangular swimming pool measures 20 feet by 40 feet.  A walk <BR>\n" );
document.write( "of uniform width surrounds it.  The total area of the pool and the <BR>\n" );
document.write( "walk is 1500 ft².  Find the width of the walk. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #325952 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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/cgi-bin/show-face.mpl?user=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=325952\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> width = x<BR>\n" );
document.write( "length of pool + walk = 40+2x<BR>\n" );
document.write( "with of pool + walk = 20+2x\r<BR>\n" );
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document.write( "Total area = (40+2x)(20+2x)= 1500<BR>\n" );
document.write( "800+80x+40x+4x^2=1500<BR>\n" );
document.write( "4x^2+120x+800-1500=0<BR>\n" );
document.write( "4x^2+120x-700=0<BR>\n" );
document.write( "/4<BR>\n" );
document.write( "x^2+30x-175=0<BR>\n" );
document.write( "x^2+35x-5x-175=0<BR>\n" );
document.write( "x(x+35)-5(x+35)=0<BR>\n" );
document.write( "(x+35)(x-5)=0<BR>\n" );
document.write( "x= 5 the width. x cannot be -35\r<BR>\n" );
document.write( "\n" );
document.write( "m.ananth@hotmail.ca </SPAN>\n" );
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