Answer :
Step-by-step explanation:
To assist you effectively, I need more details about the specific case-based question you're referring to. However, I’ll provide a general approach to such questions involving the delivery of water to meet requirements for A, B, and C, typically based on some given requirements.
### General Approach to Solve Case-Based Questions Involving Water Delivery
1. **Identify Requirements**: Determine the amount of water required by A, B, and C.
2. **Determine Constraints**: Understand any limitations or constraints given in the question, such as maximum capacity, delivery schedules, or priority rules.
3. **Calculate Delivery**:
- Ensure that the sum of water delivered to A, B, and C meets their total requirement.
- Consider any specific distribution rules if mentioned.
4. **Optimize**: If the problem involves optimization (e.g., minimizing delivery time or cost), apply the appropriate method to find the most efficient distribution.
### Hypothetical Example
**Assume the requirements and scenario are as follows**:
- A needs 50 liters of water.
- B needs 70 liters of water.
- C needs 30 liters of water.
**Total Water Needed**: \( 50 + 70 + 30 = 150 \) liters.
#### To Deliver Water:
- Deliver **50 liters** to A.
- Deliver **70 liters** to B.
- Deliver **30 liters** to C.
#### Steps:
1. **Requirement Identification**:
- A needs 50 liters.
- B needs 70 liters.
- C needs 30 liters.
2. **Constraints**:
- Ensure total delivery doesn’t exceed 150 liters.
- Prioritize if needed (e.g., if B is a higher priority, deliver to B first).
3. **Calculation**:
- Plan to deliver 50 liters to A, 70 liters to B, and 30 liters to C.
4. **Optimization** (if necessary):
- Check if the delivery method (e.g., vehicle or pipeline capacity) can handle the distribution effectively.
### Sample Problem Solution Framework
**Given Data:**
1. **A’s requirement**: 50 liters
2. **B’s requirement**: 70 liters
3. **C’s requirement**: 30 liters
**Objective**: Deliver the exact amounts as needed by each party.
**Solution**:
- Deliver **50 liters** to A.
- Deliver **70 liters** to B.
- Deliver **30 liters** to C.
This simplistic approach assumes direct delivery without additional constraints.
If you can provide more context or details about the specific case-based question from the textbook, I can give a more precise and tailored solution.