3. riley finds out that cooper's storage and shipping company is working with a local business to package some office supplies. some of the supplies are packed inside a cube-shaped box with side lengths of 4 1/2 in. these boxes are then packed into a shipping box with dimensions of 18 in. * 9 in. * 4 1/2 in. how many boxes of office supplies can be packed into the larger box for shipping? show your work.