document.write( "Question 1112652: A wooden rectangular hollow box has outer edges of 6 inches and 5 inches, and height of 8 inches. The uniform thickness of the box is 1 inch.
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document.write( "a. find the amount of material used;
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document.write( "b. how many wooden blocks each cube with 1 inch edge will fit into the box? \n" );
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Algebra.Com's Answer #837920 by mananth(16946)![]() ![]() You can put this solution on YOUR website! Volume of wood used = external volume - internal volume\r \n" ); document.write( "\n" ); document.write( "External volume \n" ); document.write( "L*B*H (6,5,8)\r \n" ); document.write( "\n" ); document.write( "= 6*5*8= 240 in^3\r \n" ); document.write( "\n" ); document.write( "Internal volume \n" ); document.write( "subtract2 from each outer dimensions ( one for each edge) with lid\r \n" ); document.write( "\n" ); document.write( "4*3*6= 72 in^3\r \n" ); document.write( "\n" ); document.write( "wood used = 240-72=168 in^3\r \n" ); document.write( "\n" ); document.write( "internal volume =72 cu.in\r \n" ); document.write( "\n" ); document.write( "72 cubes will fit\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |