Answer: There are 80 items he originally have.
Explanation:
Since we have given that
Part of refreshments were granola =

Part of refreshments were popcorns =

Remaining part would be

Since rest were divided equally among apples, rice cakes, and yogurt.
Number of apples sold = 8
Let the total number of items be 'x'.
According to question, it becomes,

Hence, there are 80 items he originally have.