document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=336559>Question 336559</A>: <I><SPAN STYLE=\"word-break: break-all;\"> the length of a rectangular mailing label is 5 cm less than twice the width. The perimeter is 20 cm. find the dimensions of the label </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #241211 by </B><A HREF=/tutors/aboutme.mpl?userid=Jk22><B>Jk22(389)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Jk22><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=Jk22><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=241211\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> let l=length, w=width, p=perimeter (in cm)\r<BR>\n" );
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document.write( "data : p=20, l=2w-5\r<BR>\n" );
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document.write( "know : p=2l+2w=2l+l+5=3l+5 (warning : not to read as 21+1=22)\r<BR>\n" );
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document.write( "=> 20=3l+5 => l=5, w=(l+5)/2=5\r<BR>\n" );
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document.write( "hence it were a square of 5cm side. </SPAN>\n" );
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