document.write( "Question 1029425: A hollow cement brick measures 12 inches tall and 8 inches wide and 5 inches deep on the outside, see figure. The brick is 1 inch thick. Cement weighs 0.077 pounds per cubic inch. Find the weight of the brick to the nearest tenth of a pound. \n" ); document.write( "
Algebra.Com's Answer #644470 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! The brick is 12*8*5 cubic inches=480 in^3. \n" ); document.write( "The inside has 2 inches removed from each part, one on each side. \n" ); document.write( "So it is 10*6*3 that is hollow or 180 in^3. \n" ); document.write( "Therefore, the remainder has cement, 300 in^3, or 23.1 pounds \n" ); document.write( " |