document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1093765>Question 1093765</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Abby's job is to order stone slabs for her customers.  Each slab measures 1 meter x 1 meter.  Abby works out the number of slabs that will be needed to surround pools.  For example, a pool that is 2 x 2 will require 12 stone slabs.  Each side of the pool must be a whole number of meters long.\r<BR>\n" );
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document.write( "Work out a formula that she can use to easily calculate the number of stone slabs that will be needed to surround any pool.  Let x be the width of the pool and y be the length 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 #708389 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=708389\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The perimeter of the 2x2 pool is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+4%2A2+=+8+ ALIGN=MIDDLE  ALT=\"+4%2A2+=+8+\"   DISABLED_style= \"max-width:90%; height:auto;\" > m<BR>\n" );
document.write( "It looks like Abby added <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+4+ ALIGN=MIDDLE  ALT=\"+4+\"   DISABLED_style= \"max-width:90%; height:auto;\" > m to that for the corners<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+8+%2B+4+=+12+ ALIGN=MIDDLE  ALT=\"+8+%2B+4+=+12+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "If width  = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x+ ALIGN=MIDDLE  ALT=\"+x+\"   DISABLED_style= \"max-width:90%; height:auto;\" > and<BR>\n" );
document.write( "length = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+y+ ALIGN=MIDDLE  ALT=\"+y+\"   DISABLED_style= \"max-width:90%; height:auto;\" >, then<BR>\n" );
document.write( "The number of slabs needed is:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+2x+%2B+2y+%2B+4+ ALIGN=MIDDLE  ALT=\"+2x+%2B+2y+%2B+4+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Get a 2nd opinion if needed\r<BR>\n" );
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