document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=134501>Question 134501</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The perimeter of a rectangle is 72 inches. If the width and length are each increased by 6 inches, their ratio will be 7:9. What are the dimensions of the original rectangle? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #98388 by </B><A HREF=/tutors/aboutme.mpl?userid=rajagopalan><B>rajagopalan(174)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rajagopalan><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=rajagopalan><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=98388\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let L=Lenth, B=Width<BR>\n" );
document.write( "given:<BR>\n" );
document.write( "Perimeter=2L+2B=72<BR>\n" );
document.write( "L+B=36....EQN 1<BR>\n" );
document.write( "Also B+6:L+6=7:9<BR>\n" );
document.write( "in a ratio product of mid terms = product of extreme terms<BR>\n" );
document.write( "7(L+6)=9(B+6)<BR>\n" );
document.write( "7L+42=9B+54<BR>\n" );
document.write( "7L-9B=54-42=12<BR>\n" );
document.write( "..<BR>\n" );
document.write( "7L-9B=12<BR>\n" );
document.write( "9L+9B=324 FROM EQN 1 (MUTIPLIED BY 9)<BR>\n" );
document.write( "Adding 16L=336<BR>\n" );
document.write( "L=336/16=21<BR>\n" );
document.write( "B=36-21=15\r<BR>\n" );
document.write( "\n" );
document.write( "So answer : Length = 21 and width=15<BR>\n" );
document.write( "Verification\r<BR>\n" );
document.write( "\n" );
document.write( "add 6 to both<BR>\n" );
document.write( "L:B=21+6:15+6<BR>\n" );
document.write( "L:B=27:21<BR>\n" );
document.write( "L:B=9:7<BR>\n" );
document.write( "Okay<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );