document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=54900>Question 54900</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0321286960/algebrahomeworkh>mathematical reasoning</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> a new football field under construction will have a total length (including end zones) that is 40 feet more than twice its width. the area of the football field must be calculated in order to determine the amount of grass seed is necessary to seed the field. Find the area of the field if its perimeter will be 1040 feet. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #37069 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley71><B>checkley71(8403)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley71><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=37069\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> LENGTH=40+2*WIDTH<BR>\n" );
document.write( "1040=2*LENGTH+2*WIDTH<BR>\n" );
document.write( "1040=2(40*2W)+2*W<BR>\n" );
document.write( "1040=80+4W+2W<BR>\n" );
document.write( "1040-80=6W<BR>\n" );
document.write( "960=6W<BR>\n" );
document.write( "W=160 THEN<BR>\n" );
document.write( "L=40+2*160<BR>\n" );
document.write( "L=40+320<BR>\n" );
document.write( "L=360<BR>\n" );
document.write( "PROOF<BR>\n" );
document.write( "1040=2*360+2*160<BR>\n" );
document.write( "1040=720+320<BR>\n" );
document.write( "1040=1040 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );