document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=691485>Question 691485</A>: <I><SPAN STYLE=\"word-break: break-all;\"> determined the total surface area of a box that is 20 cm wide 30 cm long and 40 cm tall  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #426727 by </B><A HREF=/tutors/aboutme.mpl?userid=mouk><B>mouk(232)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mouk><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=mouk><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=426727\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Box is 20 cm wide x 30 cm long x 40 cm tall, so there are:<BR>\n" );
document.write( "  2 x sides of size 20 x 30<BR>\n" );
document.write( "  2 x sides of size 30 x 40<BR>\n" );
document.write( "  2 x sides of size 20 x 40\r<BR>\n" );
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document.write( "So total surface area is<BR>\n" );
document.write( "= (2 x 20 x 30) + (2 x 30 x 40) + (2 x 20 x 40)<BR>\n" );
document.write( "= 1200 + 2400 + 1600<BR>\n" );
document.write( "= 5200 sq cm<BR>\n" );
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