Answer:
There are 400 possible dinners.
Explanation:
There are 8 dishes to choose from column A. For each of these 8 dishes, there are 10 dishes to pair with. For each of these 10 dishes, there are 5 dishes to go with from column C.
Therefore, multiply to get
possible dinners.
*Note: Since the order of which you choose is fixed, we do not need to account for rearrangements of the same three dishes.