document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=100028>Question 100028</A>: <I><SPAN STYLE=\"word-break: break-all;\"> the length of a room is two and half times its width. if the perimeter of the floor of the room is 70 m. find the length & width of the room. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #72840 by </B><A HREF=/tutors/aboutme.mpl?userid=doukungfoo><B>doukungfoo(195)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=doukungfoo><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=doukungfoo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=72840\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Perimeter is equal to the sum of all sides.<BR>\n" );
document.write( "Since there are two sides that represent the length<BR>\n" );
document.write( "and two sides that represent the width we can say the<BR>\n" );
document.write( "perimeter = 2 times the length plus 2 times the width<BR>\n" );
document.write( "OR<BR>\n" );
document.write( "P = 2L + 2W <BR>\n" );
document.write( "The problem tells us that the perimeter is 70 meters<BR>\n" );
document.write( "so we can plug that in for P<BR>\n" );
document.write( "70 = 2L + 2W<BR>\n" );
document.write( "The problem also tells us that the length is two and half times the width<BR>\n" );
document.write( "so <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=L=2%261%2F2%28W%29 ALIGN=MIDDLE  ALT=\"L=2%261%2F2%28W%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "now we can plug that into the perimeter equation like this<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=70=2%282%261%2F2%28W%29%29%2B2W ALIGN=MIDDLE  ALT=\"70=2%282%261%2F2%28W%29%29%2B2W\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Now we have and equation with only one variable W (width)<BR>\n" );
document.write( "so lets solve for w<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=70=2%282%261%2F2%28W%29%29%2B2W ALIGN=MIDDLE  ALT=\"70=2%282%261%2F2%28W%29%29%2B2W\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=70=2%28%285W%29%2F2%29%2B2W ALIGN=MIDDLE  ALT=\"70=2%28%285W%29%2F2%29%2B2W\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=70=10W%2F2%2B2W ALIGN=MIDDLE  ALT=\"70=10W%2F2%2B2W\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=70=10W%2F2%2B4W%2F2 ALIGN=MIDDLE  ALT=\"70=10W%2F2%2B4W%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=70=14W%2F2 ALIGN=MIDDLE  ALT=\"70=14W%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=140=14W ALIGN=MIDDLE  ALT=\"140=14W\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=10=W ALIGN=MIDDLE  ALT=\"10=W\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "so we have found the width to be 10 meters<BR>\n" );
document.write( "As stated above <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=L=2%261%2F2%28W%29 ALIGN=MIDDLE  ALT=\"L=2%261%2F2%28W%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "so we can replace the W with 10 and solve for the length<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=L=2%261%2F2%28W%29 ALIGN=MIDDLE  ALT=\"L=2%261%2F2%28W%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=L=2%261%2F2%2810%29 ALIGN=MIDDLE  ALT=\"L=2%261%2F2%2810%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=L=%285%2F2%29%2810%29 ALIGN=MIDDLE  ALT=\"L=%285%2F2%29%2810%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=L=50%2F2 ALIGN=MIDDLE  ALT=\"L=50%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=L=25 ALIGN=MIDDLE  ALT=\"L=25\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Now we have found the length to be 25 meters<BR>\n" );
document.write( "Check by using <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=70=2L%2B2W ALIGN=MIDDLE  ALT=\"70=2L%2B2W\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=70=2%2825%29%2B2%2810%29 ALIGN=MIDDLE  ALT=\"70=2%2825%29%2B2%2810%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=70=50%2B20 ALIGN=MIDDLE  ALT=\"70=50%2B20\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=70=70 ALIGN=MIDDLE  ALT=\"70=70\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );