It seems like your message is incomplete regarding the problem related to the restaurant's meat for casserole dishes. In order to assist you with parts a and b of the question, could you please provide more details? Specifically, we would need to know:
- The total weight or amount of meat available.
- The quantity of meat needed for each casserole dish.
- Any other relevant details that could help in completing the problem.
Once I have this information, I'd be glad to help!