document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1128455>Question 1128455</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The owners of the rectangular swimming pool want to surround the pool with a crushed-stone border of uniform width. They have enough stone to cover 74 square meters. How wide should they make the border? (Hint: The area of the larger rectangle minus the area of the smaller is the area of the border.)\r<BR>\n" );
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document.write( "Some more supporting information:<BR>\n" );
document.write( "length= 25 + 2w (around the border)<BR>\n" );
document.write( "width= 10 + 2w (around the border)\r<BR>\n" );
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document.write( "length= 25 meters (inside the swimming pool)<BR>\n" );
document.write( "width= 10 meters (inside the swimming pool)<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #745072 by </B><A HREF=/tutors/aboutme.mpl?userid=llamdot><B>llamdot(2)</B></A><img src=\"/images/stars/iconNewId_16x16.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=llamdot><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=745072\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Hi ikelyn. I wasn't clear on the wording of the problem. My biggest apologies for that. \r<BR>\n" );
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document.write( "This word problem came with a picture showing the measurements, so I am at fault for that. \r<BR>\n" );
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document.write( "But nevertheless, I was able to solve the word problem, and will reword the original word problem below in much clearer terms, with explanation on how I came to the solution:\r<BR>\n" );
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document.write( "\"The owners of the rectangular swimming pool in the illustration want to surround the pool with a crushed-stone border of uniform width. They have enough stone to cover 74 square meters. How wide should they make the border? (Hint: The area of the larger rectangle minus the area of the smaller is the area of the border.) Assume a = 25 m and b = 10 m.\"\r<BR>\n" );
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document.write( "a+2w outside <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28cross%28area%29%29 ALIGN=MIDDLE  ALT=\"highlight%28cross%28area%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > <U>length</U><BR>\n" );
document.write( "b+2w outside <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28cross%28area%29%29 ALIGN=MIDDLE  ALT=\"highlight%28cross%28area%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > <U>width</U>\r<BR>\n" );
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document.write( "a and b = inside <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28cross%28area%29%29 ALIGN=MIDDLE  ALT=\"highlight%28cross%28area%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > <U>dimensions</U>.\r<BR>\n" );
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document.write( "(a + 2w)(b + 2w) - ab = 74\r<BR>\n" );
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document.write( "a = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28cross%2829%29%29 ALIGN=MIDDLE  ALT=\"highlight%28cross%2829%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > <U>25</U> m<BR>\n" );
document.write( "b = 8 m\r<BR>\n" );
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document.write( "w > 0\r<BR>\n" );
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document.write( "(25 + 2w) (10 + 2w)- 25 (10) = 74\r<BR>\n" );
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document.write( "250 + 50w + 20w +4w^2 - 250 = 74\r<BR>\n" );
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document.write( "4w^2 + 70w = 74\r<BR>\n" );
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document.write( "4w^2 + 70w - 74 = 0\r<BR>\n" );
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document.write( "Upon factoring the equation, came up with -37 / 2 , and 1. Forget the negative answer, the focus is on positive answer. \r<BR>\n" );
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document.write( "Therefore, 1 meter wide is the answer.\r<BR>\n" );
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