document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=381299>Question 381299</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A 60 foot by 80 foot rectangular walk in a park surrounds a flower bed. If the walk is of uniform width and its area is equal to the area of the flower bed, how wide is the walk? Set up a quadratic equation, factor, and solve. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #270539 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=270539\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> width of walk = 60 feet<BR>\n" );
document.write( "length = 80 feet<BR>\n" );
document.write( "..<BR>\n" );
document.write( "Area = 4800 ft^2<BR>\n" );
document.write( "..<BR>\n" );
document.write( "uniform width w<BR>\n" );
document.write( "..<BR>\n" );
document.write( "GARDEN dimensions<BR>\n" );
document.write( "width = 60-2w<BR>\n" );
document.write( "length = 80-2w<BR>\n" );
document.write( "...<BR>\n" );
document.write( "Area of garden = (60-2w)(80-2w)<BR>\n" );
document.write( "FOIL<BR>\n" );
document.write( "Area = 4800-120w-160w+4w^2<BR>\n" );
document.write( "Area = 4w^2-280w+4800<BR>\n" );
document.write( "..<BR>\n" );
document.write( "Total area / area of garden = 2<BR>\n" );
document.write( "4800 / 4w^2-280w+4800  = 2<BR>\n" );
document.write( "4800/2 = 4w^2-280w+4800<BR>\n" );
document.write( "2400 =4w^2-280w+4800<BR>\n" );
document.write( "4w^2-280w+4800-2400=0<BR>\n" );
document.write( "4w^2-280w+2400=0<BR>\n" );
document.write( "/4<BR>\n" );
document.write( "w^2-70w+600=0<BR>\n" );
document.write( "w^2-60w-10w+600=0<BR>\n" );
document.write( "w(w-60)-10(w-60)=0<BR>\n" );
document.write( "(w-60)(w-10)=0<BR>\n" );
document.write( "w= 60 OR 10<BR>\n" );
document.write( "ignore 60<BR>\n" );
document.write( "..<BR>\n" );
document.write( "width = 10 feet<BR>\n" );
document.write( "...<BR>\n" );
document.write( "m.ananth@hotmail.ca </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );