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### Problem Description:
Sally’s family is going to visit her grandparents for the holidays. They live 325 miles away. Sally’s parents plan to drive for 5.5 hours on the first day, then stop at a hotel for the night, and complete the rest of the trip on the second day. They will drive at an average speed of 55 miles per hour.

The question is: 
**Which equation should we solve to find how many hours, h, they can expect to drive on the second day?**

The options are:
1. \( 5 \times 55 + h \times 55 = 325 \)
2. \( 60h + 5.5 = 325 \)
3. \( 60h + 55h = 325 \)
4. \( 5.5 \times 55 + h \times 55 = 325 \)

The bottom part asks:
**How many hours can Sally’s parents expect to drive on the second day?**

### Step-by-Step Solution:

1. **Distance formula**: Distance = Speed × Time.  
   On the first day, they drive for 5.5 hours at a speed of 55 miles per hour.

   - Distance covered on Day 1:  
     \( 5.5 \times 55 = 302.5 \) miles.

2. **Remaining distance**:  
   The total distance is 325 miles. The remaining distance to be covered on the second day is:  
   \( 325 - 302.5 = 22.5 \) miles.

3. **Second day driving time**:  
   The speed is still 55 miles per hour, so the time, \( h \), to drive the remaining 22.5 miles is:  
   \( \frac{22.5}{55} = 0.41 \) hours.

### Correct Equation:
The equation that represents this scenario is:  
\[ 5.5 \times 55 + h \times 55 = 325 \]

Thus, the correct option is **(4)**.

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Do you want further details or have any questions?

Here are 5 related questions for better understanding:
1. How can we rearrange the equation to solve for \( h \)?
2. What would happen if the average speed on the second day were different?
3. How would the total time be affected if they covered a longer distance on Day 1?
4. How would we modify the equation if the total distance was unknown?
5. What is the total driving time for the trip?

**Tip:** Always verify your units (miles, hours, etc.) to avoid miscalculations, especially in multi-step problems.

Sally’s family is going to visit her grandparents for the holidays. They live 325 miles away. Sally’s parents plan to drive for 5.5 hours on the first day, then stop at a hotel for the night, and complete the rest of the trip on the second day. They will drive at an average speed of 55 miles per hour. Which equation should we solve to find how many hours, h, they can expect to drive on the second day?

Learn how to solve a linear equation to find the time taken to drive on the second day of a trip. This problem involves calculating the distance traveled using the formula Distance = Speed × Time and then solving for time using a linear equation. Suitable for students in Grades 6-8.

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