Answer:
C. 5,400
Step-by-step explanation:
To find the volume of a rectangular prism, it is length * width * height
The first rectangular prism
15 * 20 = 300
300 * 9 = 2700
The two rectangular prisms are the same so just multiply it by 2
2700 * 2 = 5400
C. 5400 is your answer
