document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=782716>Question 782716</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The perimeter and the area of a rectangle are 48 cm and 140 cm square. Find the length and 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 #476494 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=476494\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> perimeter = 48\r<BR>\n" );
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document.write( "let length = l<BR>\n" );
document.write( "width =w\r<BR>\n" );
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document.write( "2(l+w)=48<BR>\n" );
document.write( "l+w=24................(1)\r<BR>\n" );
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document.write( "area = l*w<BR>\n" );
document.write( "l*w=140<BR>\n" );
document.write( "l=140/w\r<BR>\n" );
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document.write( "substitute l in (1)<BR>\n" );
document.write( "140/w  + w = 24\r<BR>\n" );
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document.write( "multiply equation by w\r<BR>\n" );
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document.write( "140+w^2=24w\r<BR>\n" );
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document.write( "w^2-24w+140=0\r<BR>\n" );
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document.write( "w^2-14w-10w+140=0\r<BR>\n" );
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document.write( "w(w-14)-10(w-14)=0<BR>\n" );
document.write( "(w-14)(w-10)=0\r<BR>\n" );
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document.write( "w=10 OR 14\r<BR>\n" );
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document.write( "dimensions are 14cm and 10cm </SPAN>\n" );
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