document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=447399>Question 447399</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The Robertsons put a rectangular pool with a stone walkway around it in their back yard. The total length of the pool and walkway is 3 times the total width. The walkway is 2ft. wide all around.<BR>\n" );
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document.write( "a.) Write an expression for the area of the pool. <BR>\n" );
document.write( "b.) Find the area of the pool when the total width is 10ft. <BR>\n" );
document.write( "c.) Find the area of the pool when the total width is 9ft. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #307990 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=307990\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Total width = x<BR>\n" );
document.write( "total length =3x<BR>\n" );
document.write( "width of walkway = 2\r<BR>\n" );
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document.write( "width of pool = (x-4)<BR>\n" );
document.write( "lenngth of pool =(3x-4)<BR>\n" );
document.write( "Area of pool = (x-4)(3x-4)\r<BR>\n" );
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document.write( "width = 10<BR>\n" );
document.write( "plug value of x in the expression\r<BR>\n" );
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document.write( "(10-4)(30-4)=6*26<BR>\n" );
document.write( "=156 sq.ft\r<BR>\n" );
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document.write( "width =9 ft.<BR>\n" );
document.write( "Area = (9-4)(27-4)= 5*23<BR>\n" );
document.write( "Area = 115 sq.ft\r<BR>\n" );
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document.write( "m.ananth@hotmail.ca\r<BR>\n" );
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document.write( " </SPAN>\n" );
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