document.write( "Question 245879: Square corners, five units on a side, are removed from a twenty unit by thirty-unit rectangular sheet of cardboard. The sides are folded to form an open box. Find the surface area of the exterior of the box, in square units.\r
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document.write( "(A)200 (B) 375 (C) 475 (D) 500 (E) 600 \n" );
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Algebra.Com's Answer #179553 by solver91311(24713)![]() ![]() You can put this solution on YOUR website! \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The exterior surface area of the box will be the total area of the original piece of cardboard minus the area of the cutout pieces. Each of the 4 cutouts is 5 units by 5 units and the original area of the cardboard is 30 times 20.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "John \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |