document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1173185>Question 1173185</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A dog trainer has 88 ft of fencing that will be used to create a rectangular work area for dogs. If the trainer wants to enclose an area of 420 ft2, what will be the dimensions of the work area? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #798436 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=798436\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A dog trainer has 88 ft of fencing that will be used to create a rectangular work area for dogs. If the trainer wants to enclose an area of 420 ft2, what will be the dimensions of the work area?<BR>\n" );
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document.write( "Area = L*W = 420<BR>\n" );
document.write( "P = 2*(L + W) = 88<BR>\n" );
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document.write( "L*W = 420<BR>\n" );
document.write( "L + W = 44 ---> L = 44-W<BR>\n" );
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document.write( "W*(44-W) = 420<BR>\n" );
document.write( "W^2 - 44W = -420<BR>\n" );
document.write( "W^2 - 44W + 484 = -420+484 = 64<BR>\n" );
document.write( "(W-22)^2 = 64<BR>\n" );
document.write( "W-22 = 8<BR>\n" );
document.write( "W = 30<BR>\n" );
document.write( "L = 14\r<BR>\n" );
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document.write( " </SPAN>\n" );
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