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The problem involves 50 shipwreck survivors arriving on an island with enough provisions for 60 days. After 20 days, 5 survivors die. The question asks how many more days the remaining provisions will last for the rest of the survivors.

Let's break this down step by step:

1. **Initial Provisions**: 
   - 50 survivors have enough provisions for 60 days.
   - Total provision supply in terms of survivor-days is:  
     \( 50 \times 60 = 3000 \, \text{survivor-days} \).

2. **Provisions after 20 days**:
   - In 20 days, the survivors use:  
     \( 50 \times 20 = 1000 \, \text{survivor-days} \).
   - Remaining provisions:  
     \( 3000 - 1000 = 2000 \, \text{survivor-days} \).

3. **After 5 survivors die**:
   - Now, there are 45 survivors left.
   - We need to calculate how many more days the 2000 survivor-days of provisions can last for the remaining 45 survivors.

4. **Final Calculation**:
   \[
   \text{Days} = \frac{2000 \, \text{survivor-days}}{45 \, \text{survivors}} \approx 44.44 \, \text{days}.
   \]

Thus, the provisions will last approximately **44 more days**.

Would you like further details or clarifications on this? Here are some related questions to explore:

1. What if instead of 5 survivors, 10 survivors had died after 20 days?
2. How many more days would the provisions last if only 3 survivors had died after 20 days?
3. What if the initial number of survivors was 60 instead of 50?
4. How many total survivor-days of provisions are required for 100 survivors for 30 days?
5. If the survivors found more provisions after 30 days, how would it affect the calculations?

**Tip**: Survivor-days is a helpful concept for understanding how shared resources last over time.

Un grupo de 50 náufragos llegan a una isla y tienen víveres para 60 días. Si luego de 20 días cinco náufragos fallecen, ¿Cuántos días más podrán durar los víveres para los restantes?

This problem involves calculating how many additional days provisions will last for a group of 50 survivors after some members perish. The solution demonstrates how to use the concept of survivor-days to find the new duration of supplies for the remaining 45 survivors.

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