Mateo built the skateboard ramp below and filled it with pebbles to make it more stable.
A rectangular prism with a length of 1.5 feet, width of 4.8 feet, and height of 2 feet. A triangular prism with a triangular base with base 2 feet and height 2 feet. The height of the prism is 4.8 feet.

Which statements are true about the ramp? Select two options.
1. The shape can be broken into a rectangular prism and a triangular prism.
2. The shape can be broken into a rectangular prism and a rectangular pyramid.
3. The formula for the volume of this figure is V = B h + one-third B h.
4. The volume of the ramp is 24 feet cubed.
5. The volume of the ramp is 20.8 feet cubed.