Answer:
The height of the prism is equal to 
Step-by-step explanation:
we know that
The volume of a rectangular prism is equal to

where
B is the area of the base of the prism
h is the height of the prism
In this problem we have


substitute in the formula and solve for h


Fold in half.
Fold in half again.
I believe the answer is 11/15 .