document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=832657>Question 832657</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The length of a rectangular tile is twice its width, and its perimeter is 21cm. Find the length and the width of the tile. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #502150 by </B><A HREF=/tutors/aboutme.mpl?userid=JulietG><B>JulietG(1812)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=JulietG><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=JulietG><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=502150\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A perimeter is a fence.  You need 2 pieces of length + 2 pieces of width. P = 2L + 2W<BR>\n" );
document.write( "You're given the following information:<BR>\n" );
document.write( "P = 21<BR>\n" );
document.write( "L = 2W<BR>\n" );
document.write( "Enter that information into the equation:<BR>\n" );
document.write( "P = 2L + 2W<BR>\n" );
document.write( "21 = 2(2W) + 2W<BR>\n" );
document.write( "Multiply<BR>\n" );
document.write( "21 = 4W + 2W<BR>\n" );
document.write( "21 = 6W<BR>\n" );
document.write( "Divide each side by 6<BR>\n" );
document.write( "3.5 = W<BR>\n" );
document.write( ".<BR>\n" );
document.write( "If W is 3.5, then L is twice that or 7 <<-- </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );