document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=359966>Question 359966</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I'm confused on how to solve this problem completely. Can you show me how to do it? It's a word problem.\r<BR>\n" );
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document.write( "A rectangular swimming pool is 7 ft longer than it is wide. A wooden walk  1 ft wide is placed around the pool. The area covered by the pool and the walk is 58 square feet greater than the area covered by the pool alone. What are the dimensions of the pool? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #256850 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=256850\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A rectangular swimming pool is 7 ft longer than it is wide.<BR>\n" );
document.write( " A wooden walk 1 ft wide is placed around the pool.<BR>\n" );
document.write( "The area covered by the pool and the walk is 58 square feet greater than<BR>\n" );
document.write( " the area covered by the pool alone.<BR>\n" );
document.write( " What are the dimensions of the pool?<BR>\n" );
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document.write( "Let x = the width of the pool<BR>\n" );
document.write( "then<BR>\n" );
document.write( "(x+7) = the length of the pool<BR>\n" );
document.write( "find the area of the pool:<BR>\n" );
document.write( "x(x+7) = x^2 + 7x<BR>\n" );
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document.write( "A 1 ft walkway will add 2 ft to each of the pool dimensions, giving the over all dimensions of:<BR>\n" );
document.write( "(x+2) = overall width<BR>\n" );
document.write( "and<BR>\n" );
document.write( "(x+9) = over length<BR>\n" );
document.write( "Find the overall area:<BR>\n" );
document.write( "FOIL (x+2)*(x+9) = x^2 + 9x + 2x + 18 = x^2 + 11x + 18<BR>\n" );
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document.write( "Overall area - pool area = 58 sq/ft<BR>\n" );
document.write( "(x^2 + 11x + 18) -(x^2 + 7x) = 58<BR>\n" );
document.write( "Remove brackets<BR>\n" );
document.write( "x^2 + 11x + 18 - x^2 - 7x = 58<BR>\n" );
document.write( "the x^2's cancel, combine x's on the left, numbers on the right<BR>\n" );
document.write( "11x - 7x = 58 - 18<BR>\n" );
document.write( "4x = 40<BR>\n" );
document.write( "x = 10 ft is the width of the pool<BR>\n" );
document.write( "then<BR>\n" );
document.write( "10 + 7 = 17 ft is length of the pool<BR>\n" );
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document.write( "Check this by finding the difference between the overall area and pool area<BR>\n" );
document.write( "overall area: 12 by 19<BR>\n" );
document.write( "(12*19) - (10*17) = <BR>\n" );
document.write( "228 170 = 58 sq/ft as given, confirms our solutions<BR>\n" );
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document.write( "Did the unconfuse you somewhat, any questions? </SPAN>\n" );
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