document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=356156>Question 356156</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A rectangle plot of ground measuring 12 meters by 20 meters is surrounded by a sidewalk of uniform width. The area of the sidewalk is 68 square meters. Find the width of the sidewalk </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #254258 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=254258\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> ground width = 12 m<BR>\n" );
document.write( "length = 20 m<BR>\n" );
document.write( "..<BR>\n" );
document.write( "side walk width = xm<BR>\n" );
document.write( "...<BR>\n" );
document.write( "garden + sidewalk  width = 12+2x m<BR>\n" );
document.write( "garden+sidewalk  length = 20+2x<BR>\n" );
document.write( "..<BR>\n" );
document.write( "Area of sidewalk = 68m^2<BR>\n" );
document.write( "(12+2x)(20+2x)-20*12= 68<BR>\n" );
document.write( "240+24x+40x+4x^2-240=68<BR>\n" );
document.write( "4x^2+64x-68=0<BR>\n" );
document.write( "/4<BR>\n" );
document.write( "x^2+16x-17=0<BR>\n" );
document.write( "x^2+17x-x-17=0<BR>\n" );
document.write( "x(x+17)-1(x+17)=0<BR>\n" );
document.write( "(x+17)(x-1)=0<BR>\n" );
document.write( "x=-17 not possible<BR>\n" );
document.write( "m.ananth@hotmail.ca<BR>\n" );
document.write( "x= 1m the width of the sidewalk. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );