document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1031479>Question 1031479</A>: <I><SPAN STYLE=\"word-break: break-all;\"> An open rectangular tank has a square base of side x and height u. The surface area of the tank is Sm^2 and its volume is Vm^3. Show that S = 4V/x + x^2. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #646159 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=646159\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Draw this.<BR>\n" );
document.write( "The surface area is x^2 (the base) plus 4xh (the sides)<BR>\n" );
document.write( "The volume is x^2*h<BR>\n" );
document.write( "solve for h=v/x^2<BR>\n" );
document.write( "substitute back into S=x^2+4xh<BR>\n" );
document.write( "S=x^2+4*x*v/x^2<BR>\n" );
document.write( "S=4v/x + x^2 </SPAN>\n" );
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