document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1203383>Question 1203383</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The 4 by 5 grid shown in Fig. 7-35 represents a networkof streets (4 blocks by 5 blocks) in a small subdivision.For<BR>\n" );
document.write( "landscaping purposes, it is necessary to get water to each of the corners by laying down a system of pipesalong the<BR>\n" );
document.write( "streets. The cost of laying down the pipes is$40,000 per mile, and each block of the grid is exactlyhalf a mile long. Find the<BR>\n" );
document.write( "cost of the cheapest network ofpipes connecting all the corners of the subdivision. Explain your answer. (Hint: First<BR>\n" );
document.write( "determine the number ofblocks in the MST.) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #838905 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52781)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><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=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=838905\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .\r<BR>\n" );
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document.write( "What the abbreviation MST means in your post ?\r<BR>\n" );
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document.write( "Also, what this term \"all corners of the subdivision\" means?\r<BR>\n" );
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document.write( "Usually, when Math problem is prepared by a professional Math writer, all the terms \r<BR>\n" );
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document.write( "should be just defined in the problem's description before the question is posed \r<BR>\n" );
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document.write( "- - -  it is a good style (and the only acceptable style) of writing Math problems.\r<BR>\n" );
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document.write( "<U>Comment from student</U>: &nbsp;&nbsp;Thank you ikleyn for your time. &nbsp;Here &nbsp;MST &nbsp;is minimum spanning tree. <BR>\n" );
document.write( "All the corners of subdivision all &nbsp;4 &nbsp;corners of each block.\r<BR>\n" );
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document.write( "<U>My response</U>: &nbsp;&nbsp;OK, &nbsp;&nbsp;I will provide a plot as a starting basic idea, &nbsp;and you do the rest.\r<BR>\n" );
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