document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=545824>Question 545824</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a man is planning to fence the front part of his property with posts 2m apart. Short of money he decides to make the posts 3 m apart and uses 3 posts less. how wide is the property? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #355737 by </B><A HREF=/tutors/aboutme.mpl?userid=vleith><B>vleith(2983)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=vleith><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=355737\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You will always need one more post then the number of sections in a fence. That is, for a single section you need 2 posts. For a two section fence, you will need 3 posts. Etc\r<BR>\n" );
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document.write( "So the length of the fence is the {{(NumberOfPosts -1) * (WidthOfSection)}}}\r<BR>\n" );
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document.write( "In this problem, the length of the fence does't cange. Only the number of posts and the width of the section. So\r<BR>\n" );
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document.write( "Let x be the number of posts in the 2m fence.<BR>\n" );
document.write( "then<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x-1%29+%2A+2+=+%28%28x-3%29-1%29+%2A+3 ALIGN=MIDDLE  ALT=\"%28x-1%29+%2A+2+=+%28%28x-3%29-1%29+%2A+3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2x+-2+=+3x-12 ALIGN=MIDDLE  ALT=\"2x+-2+=+3x-12\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+10 ALIGN=MIDDLE  ALT=\"x+=+10\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "If the number of posts in a 2m section fence is 10, then the length of the fence is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2810-1%29+%2A+2 ALIGN=MIDDLE  ALT=\"%2810-1%29+%2A+2\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=18 ALIGN=MIDDLE  ALT=\"18\"   DISABLED_style= \"max-width:90%; height:auto;\" > m\r<BR>\n" );
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document.write( "Check your answer using the 3m values.<BR>\n" );
document.write( "If x = 10, the 10-3 = 7 is the number of posts in a 3m section fence<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%287-1%29+%2A+3+ ALIGN=MIDDLE  ALT=\"%287-1%29+%2A+3+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=18 ALIGN=MIDDLE  ALT=\"18\"   DISABLED_style= \"max-width:90%; height:auto;\" >m </SPAN>\n" );
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