document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=323889>Question 323889</A>: <I><SPAN STYLE=\"word-break: break-all;\"> the Length of a rectangle is four times its width. If the area of the rectangle is 324 yd^2, find its perimeter </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #231785 by </B><A HREF=/tutors/aboutme.mpl?userid=nyc_function><B>nyc_function(2741)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nyc_function><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=nyc_function><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=231785\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Length = 4x\r<BR>\n" );
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document.write( "Width = x\r<BR>\n" );
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document.write( "Area = 324\r<BR>\n" );
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document.write( "324 = (4x)(x)\r<BR>\n" );
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document.write( "324 = 4x^2\r<BR>\n" );
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document.write( "324/4 = x^2\r<BR>\n" );
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document.write( "81 = x^2\r<BR>\n" );
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document.write( "sqrt[81] = sqrt[x^2]\r<BR>\n" );
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document.write( "9 = x\r<BR>\n" );
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document.write( "We find the perimter using P = 2L + 2W.\r<BR>\n" );
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document.write( "P = 2(4x) + 2(x)\r<BR>\n" );
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document.write( "P = 2(4*9) + 2(9)\r<BR>\n" );
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document.write( "P = 2(36) + 18\r<BR>\n" );
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document.write( "P = 72 + 18\r<BR>\n" );
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document.write( "P = 90 yards </SPAN>\n" );
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