The dimensions of a rectangular prism are shown below: Length: 2 and 1 over 4 feet Width: 1 foot Height: 1 and 1 over 4 feet The lengths of the sides of a small cube are 1 over 4 foot each. Part A: How many small cubes can be packed in the rectangular prism? Show your work. (5 points) Part B: Use the answer obtained in part A to find the volume of the rectangular prism in terms of the small cube and a unit cube. (5 points)