document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=617075>Question 617075</A>: <I><SPAN STYLE=\"word-break: break-all;\"> the perimeter of a rectangular field is 480 square metres and area is 10800 square metres find the dimensions </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #388144 by </B><A HREF=/tutors/aboutme.mpl?userid=unlockmath><B>unlockmath(1688)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=unlockmath><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=unlockmath><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=388144\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Hello, <BR>\n" );
document.write( "Let's use 2 equations for this, L is Length and W is Width: (note: I'm assuming it was copied wrong. Perimeter must be 480 meters, not square meters)<BR>\n" );
document.write( "2L+2W=480<BR>\n" );
document.write( "L(W)=10800 rewritten as: L=10800/W<BR>\n" );
document.write( "Use substitution for this:<BR>\n" );
document.write( "2(10800/W)+2W=480  or rewritten as: 21600/W+2W=480<BR>\n" );
document.write( "Multiply by W:<BR>\n" );
document.write( "21600+2w^2=480W<BR>\n" );
document.write( "Divide by 2 and subtract 240W:<BR>\n" );
document.write( "W^2 -240W +10800 =0<BR>\n" );
document.write( "Factor:<BR>\n" );
document.write( "(W-180)(W-60)<BR>\n" );
document.write( "Solve for W<BR>\n" );
document.write( "Width=60 meters<BR>\n" );
document.write( "Length=180 meters<BR>\n" );
document.write( "Make sense?<BR>\n" );
document.write( "RJ<BR>\n" );
document.write( "www.math-unlock.com </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );