Answer:
33.75 cubic inches of styrofoam can be placed inside the container.
Explanation:
Based on given information, the volume of the prism (
), in cubic inches, is determined by using this formula:
 (1)
Where:
 - Base of the triangular face, in inches.
 - Height of the triangular face, in inches. 
 - Length of the prism, in inches.
If we know that 
, 
 and 
, then the volume of the prism is:


33.75 cubic inches of styrofoam can be placed inside the container.