document.write( "Question 292615: From a 12-inch-by-16-inch piece of cardboard, 0.5-inch-square corners are cut out, as shown in the figure below, and the resulting flaps are folded up to form an open box. Find the volume and the external surface area of the box. Assume a = 16 in, b = 12 in, m = n = 0.5 in \n" ); document.write( "
Algebra.Com's Answer #211339 by checkley77(12844)\"\" \"About 
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V=(12-1)(16-1).5
\n" ); document.write( "V=11*15*.5
\n" ); document.write( "V=82.5 in^3 is the volume.
\n" ); document.write( "SA=12*16+2(11*.5)+2(15*.5)
\n" ); document.write( "SA=192+5.5+7.5
\n" ); document.write( "SA=192+13
\n" ); document.write( "SA=205 ans.
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