document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=319323>Question 319323</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Perimeter of a rectangle. The width of a rectangular playground<BR>\n" );
document.write( "is 2x - 5 feet, and the length is 3x+9 feet. Write a<BR>\n" );
document.write( "polynomial P(x) that represents the perimeter and then<BR>\n" );
document.write( "evaluate this perimeter polynomial if x is 4 feet.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #228658 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=228658\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The perimeter of a rectangle is found using P = 2L + 2W.\r<BR>\n" );
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document.write( "Width = 2x - 5\r<BR>\n" );
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document.write( "Length = 3x + 9\r<BR>\n" );
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document.write( "P(x) = perimeter or P\r<BR>\n" );
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document.write( "P(x) = 2(3x + 9) + 2(2x - 5)\r<BR>\n" );
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document.write( "P(x) = 6x + 18 + 4x - 10\r<BR>\n" );
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document.write( "P(x) = 10x + 8\r<BR>\n" );
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document.write( "We now replace x with 4 and simplify.\r<BR>\n" );
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document.write( "P(4) = 10(4) + 8\r<BR>\n" );
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document.write( "P(4) = 40 + 8\r<BR>\n" );
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document.write( "P(4) = 48\r<BR>\n" );
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document.write( "Done! </SPAN>\n" );
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