document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=864478>Question 864478</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A fenced-in rectagular region with the dimensions 4 miles by 10 miles is suddenly expanded by the same distance in each dimension. The resulting region is now 72 square miles in size.\r<BR>\n" );
document.write( "\n" );
document.write( "How much distance was added to each dimension? Set up and solve an equation to answer this question. <BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #521029 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39620)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=521029\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let d be the expanded distance in both directions.\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28d%2B4%29%28d%2B10%29=72 ALIGN=MIDDLE  ALT=\"%28d%2B4%29%28d%2B10%29=72\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%5E2%2B14d%2B40=72 ALIGN=MIDDLE  ALT=\"d%5E2%2B14d%2B40=72\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%5E2%2B14d-32=0 ALIGN=MIDDLE  ALT=\"d%5E2%2B14d-32=0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28d-2%29%28d%2B16%29=0 ALIGN=MIDDLE  ALT=\"%28d-2%29%28d%2B16%29=0\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "The answer to choose is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28d=2%29 ALIGN=MIDDLE  ALT=\"highlight%28d=2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );