document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=358958>Question 358958</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A rectangular pool is 4m wide and 8m long. It is surrounded by a concrete walkway of uniform width. The cost of the walkway is dependent upon its area.<BR>\n" );
document.write( "Write a simplified expression representing the total area of the walkway in terms of its width. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #256119 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=256119\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> pool 4 by 8<BR>\n" );
document.write( "area = 32 m^2<BR>\n" );
document.write( "..<BR>\n" );
document.write( "let width be x<BR>\n" );
document.write( "length with walkway = 8+2x<BR>\n" );
document.write( "width with walkaway = 4+2x<BR>\n" );
document.write( "Total area = (8+2x)(4+2x)<BR>\n" );
document.write( "Total area - area of pool = area of walkaway\r<BR>\n" );
document.write( "\n" );
document.write( "(8+2x)(4+2x)-32= walkaway area<BR>\n" );
document.write( "32+16x+8x+4x^2-32<BR>\n" );
document.write( "4x^2+24x = Area of walkaway.<BR>\n" );
document.write( "...<BR>\n" );
document.write( "m.ananth@hotmail.ca </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );