document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=556915>Question 556915</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The length of the rectangle is three times the width. The area is 48. Find the length, width, and perimeter </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #362324 by </B><A HREF=/tutors/aboutme.mpl?userid=JBarnum><B>JBarnum(2146)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=JBarnum><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=JBarnum><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=362324\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> l=length w=width p=perimeter a=area<BR>\n" );
document.write( "given:<BR>\n" );
document.write( "lw=a<BR>\n" );
document.write( "l=3w<BR>\n" );
document.write( "a=48<BR>\n" );
document.write( "p=2(l+w)<BR>\n" );
document.write( "p=8w<BR>\n" );
document.write( ".<BR>\n" );
document.write( "substitution work:<BR>\n" );
document.write( "48=3w(w)<BR>\n" );
document.write( "48=3w^2<BR>\n" );
document.write( "16=w^2<BR>\n" );
document.write( "4=w<BR>\n" );
document.write( "l=12<BR>\n" );
document.write( ".<BR>\n" );
document.write( "p=8(4)<BR>\n" );
document.write( "p=32 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );