document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=912740>Question 912740</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A rectangle's length and width are in a ratio of 3:1. The area is 75 square feet. What are the length and width? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #554009 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=554009\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> \"A rectangle's length and width are in a ratio of 3:1\" means\r<BR>\n" );
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document.write( "Length = 3x\r<BR>\n" );
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document.write( "Width = 1x\r<BR>\n" );
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document.write( "Area = Length * Width\r<BR>\n" );
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document.write( "A = L*W\r<BR>\n" );
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document.write( "75 = 3x*1x\r<BR>\n" );
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document.write( "75 = 3x^2\r<BR>\n" );
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document.write( "3x^2 = 75\r<BR>\n" );
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document.write( "x^2 = 75/3\r<BR>\n" );
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document.write( "x^2 = 25\r<BR>\n" );
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document.write( "x = sqrt(25)\r<BR>\n" );
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document.write( "x = 5\r<BR>\n" );
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document.write( "Length = 3x = 3*5 = 15\r<BR>\n" );
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document.write( "Width = 1x = 1*5 = 5\r<BR>\n" );
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document.write( "The length is <font color=\"red\">15 ft</font> and the width is <font color=\"red\">5 ft</font>\r<BR>\n" );
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document.write( "Let me know if you need more help or if you need me to explain a step in more detail.<BR>\n" );
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document.write( "Thanks,\r<BR>\n" );
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document.write( "Jim  </SPAN>\n" );
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