document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1137108>Question 1137108</A>: <I><SPAN STYLE=\"word-break: break-all;\"> the length of a rectangle is 4 m longer than its width. if the perimeter of the rectangle is 56 m, find its length and width </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #754932 by </B><A HREF=/tutors/aboutme.mpl?userid=addingup><B>addingup(3677)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=addingup><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=addingup><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=754932\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 2L + 2W = Perimeter<BR>\n" );
document.write( "2L + 2W = 56<BR>\n" );
document.write( "and the problem says that:<BR>\n" );
document.write( "L = W + 4<BR>\n" );
document.write( "so let's substitute for Length in the equation above:<BR>\n" );
document.write( "2(W + 4) + 2W = 56<BR>\n" );
document.write( "2W + 8 + 2W = 56<BR>\n" );
document.write( "4W = 48<BR>\n" );
document.write( "W = 12 this is our width. Now find the length:<BR>\n" );
document.write( "L = W + 4 = 12 + 4 = 16 this is our length<BR>\n" );
document.write( "--------------------------<BR>\n" );
document.write( "Check:<BR>\n" );
document.write( "2L = 2W = 56<BR>\n" );
document.write( "2(16) + 2(12) = 56<BR>\n" );
document.write( "32 + 24 = 56 Correct </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );