document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=378637>Question 378637</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The width of a rectangle is 55 cm less than three times its length. The area of the rectangle is 100 cm^2. Find the dimensions 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 #268927 by </B><A HREF=/tutors/aboutme.mpl?userid=richard1234><B>richard1234(7193)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richard1234><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=richard1234><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=268927\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Suppose the length of the rectangle is x cm. Then the width is 3x - 55.\r<BR>\n" );
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document.write( "Now, we have\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%283x+-+55%29+=+100 ALIGN=MIDDLE  ALT=\"x%283x+-+55%29+=+100\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3x%5E2+-+55x+-+100+=+0 ALIGN=MIDDLE  ALT=\"3x%5E2+-+55x+-+100+=+0\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Luckily, this factors to (3x + 5)(x - 20) = 0, so either x = -5/3 or x = 20. We take the positive value, so the length is 20 and the width is 5. </SPAN>\n" );
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