document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1199103>Question 1199103</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A box open at the top has a rectangular base 200mmx300mm and an altitude of 150mm. If the base and the sides are 10mm thick, find the total surface area of the box. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #832896 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=832896\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A box open at the top has a rectangular base 200mmx300mm and an altitude of 150mm. If the base and the sides are 10mm thick, find the total surface area of the box.<BR>\n" );
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document.write( "A box open at the top has a rectangular base 20 cm x 30cm and an altitude of 15cm. If the base and the sides are 1cm thick, find the total surface area of the box.\r<BR>\n" );
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document.write( "On the outside:<BR>\n" );
document.write( "The SA of the bottom is 20*30 = 600 sq cms<BR>\n" );
document.write( "2 sides are 15*20 = 300*2 = 600 sq cms<BR>\n" );
document.write( "2 sides are 15*30 = 450*2 = 900 sq cms<BR>\n" );
document.write( "Outside SA = 600+600+900 = 2100 sq cms<BR>\n" );
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document.write( "The inside dim's are the OD's minus 2 cms.<BR>\n" );
document.write( "--> 18 X 28 X 13<BR>\n" );
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document.write( "The bottom is 18*28 = 504 sq cms<BR>\n" );
document.write( "2 sides are 13 X 18 = 468 sq cms<BR>\n" );
document.write( "2 sides are 28 X 13 = 728 sq cms<BR>\n" );
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document.write( "Area of the open top is 1 cm X the difference of the OD base and the ID base<BR>\n" );
document.write( "= 600 - 504 = 96 sq cms<BR>\n" );
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document.write( "Add those.<BR>\n" );
document.write( "If you want to convert to sq mms, multiply by 100. </SPAN>\n" );
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