A box 3" wide and 2" deep is to have a volume of 2 cubic feet. How long must the box be? How many pieces of lumber are stacked in a pile 2" high if each board is 3/8" thick? Hi,The volume of a rectangular box is given by You have a volume of 2 cubic feet which is 2 x 12 x 12 x 12 =3456 cubic inches, a width of 3 inches and a depth of 2 inches. Thus Find the length. For the second problem the height of the pile in inches is I think that the problem should say that the height of the pile is 2 feet, which is 24 inches. Thus you have What is the number of boards? Cheers,Penny
