Question

A forest ranger wants to install a 1500 CFM cubic feet per minute fan. A ranger station consists of a rectangular prism and a rectangular pyramid. The base of the pyramid and prism is 10 ft by 8 ft. The height of the pyramid is 3 ft and the height of the prism is 8 ft. The ranger station requires on CFM per ft. Will the fan provide enough airflow for the ranger station? why or why not?

Answer 1

Sample response: Yes, the fan will provide enough airflow. The volume of the ranger station is 720 cubic feet. The ranger station requires a 720 CFM fan. 1,500 CFM is greater than 720 CFM, so it will be enough airflow.

Answer 2

These are the ¨key points¨ that your answer needs to include to be considered correct:

The volume of the ranger station is 720 ft3.

The station requires a 720 CFM fan.

1,500 CFM is greater than 720 CFM.