document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=470268>Question 470268</A>: <I><SPAN STYLE=\"word-break: break-all;\"> the perimeter of a rectangle is 18 feet and the area of the rectanggle is 20 feet what is the width of the rectangle? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #322578 by </B><A HREF=/tutors/aboutme.mpl?userid=Gogonati><B>Gogonati(855)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Gogonati><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=Gogonati><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=322578\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Half of the perimeter is 9 feet and its equal L+W=9. Let the W=x, then L=9-x, and the area is equal A=LxW, substituting we get:\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=20=x%289-x%29 ALIGN=MIDDLE  ALT=\"20=x%289-x%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > write this equation in standard form <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2-9x%2B20=0 ALIGN=MIDDLE  ALT=\"x%5E2-9x%2B20=0\"   DISABLED_style= \"max-width:90%; height:auto;\" >, and solve \r<BR>\n" );
document.write( "\n" );
document.write( "it by factoring <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x-5%29%28x-4%29=0 ALIGN=MIDDLE  ALT=\"%28x-5%29%28x-4%29=0\"   DISABLED_style= \"max-width:90%; height:auto;\" >. Set to zero each factor to find the roots:\r<BR>\n" );
document.write( "\n" );
document.write( "x-5=0 <=> x=5, and x-4=0 <=> x=4.\r<BR>\n" );
document.write( "\n" );
document.write( "Answer:The width of the rectangle is 4 feet and its length  5 feet. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );