document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=120723>Question 120723</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A square cardboard of side 20m has a 4m wide border round three of its sides. Find the area of the border. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #88514 by </B><A HREF=/tutors/aboutme.mpl?userid=edjones><B>edjones(8007)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=edjones><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=edjones><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=88514\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let's give the border all 4 sides to begin. That makes it 28m square.<BR>\n" );
document.write( "A=s^2=28^2=784m^2<BR>\n" );
document.write( "For the original square: A=20^2=400<BR>\n" );
document.write( "784-400=384 area of border with 4 sides<BR>\n" );
document.write( "By removing one of the sides we must subtract 28*4=112<BR>\n" );
document.write( "384-112=272m^2 Answer.<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Ed </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );