document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1030135>Question 1030135</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help: <BR>\n" );
document.write( "The length of a rectangular swimming pool is twice its width. The pool is surrounded by a walk that is 2 feet wide. The area of the region consisting of the pool and the walk is 1056 square feet.\r<BR>\n" );
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document.write( "(a) Use the method of completing the square to determine the dimensions of the swimming pool.\r<BR>\n" );
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document.write( "The length of the pool is ____ feet, and the width of the pool is ____feet.\r<BR>\n" );
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document.write( "(b) If the material for the walk costs $8 per square foot, how much would the material cost for the entire walk?\r<BR>\n" );
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document.write( "The material would cost $____ .  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #649083 by </B><A HREF=/tutors/aboutme.mpl?userid=jorel555><B>jorel555(1290)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jorel555><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=649083\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Say the width of your pool is w; the length is then equivalent to 2w. The width and length of your walkway are w+4 (2 feet are added to each side, thus adding 4 to the total), and 2w+4. Thus the area is:<BR>\n" );
document.write( "(w+4)(2w+4)=1056<BR>\n" );
document.write( "2w^2+12w+16=1056<BR>\n" );
document.write( "2w^2+12w-1040=0<BR>\n" );
document.write( "w^2+6w-520=0<BR>\n" );
document.write( "(w+26)(w-20)=0<BR>\n" );
document.write( "w=-26,20<BR>\n" );
document.write( "Our only real solution is width=20, length=40!!!!!!!! </SPAN>\n" );
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