Sheldon can either take a train or an airplane to San Francisco. If the train takes 8 hours and 5 minutes and the plane takes 1 hours and 41 minutes, how much time would he save taking an airplane?

To determine how much time Sheldon would save by taking the airplane instead of the train, we need to subtract the duration of the airplane trip from the duration of the train trip.

1. **Train time**: 8 hours and 5 minutes
2. **Airplane time**: 1 hour and 41 minutes

### Step 1: Convert both times into minutes.
- **Train time**: \( 8 \times 60 + 5 = 485 \) minutes
- **Airplane time**: \( 1 \times 60 + 41 = 101 \) minutes

### Step 2: Subtract the airplane time from the train time.
\[ 485 \text{ minutes} - 101 \text{ minutes} = 384 \text{ minutes} \]

### Step 3: Convert the time saved back into hours and minutes.
- \( 384 \text{ minutes} \) equals \( 6 \) hours and \( 24 \) minutes.

So, Sheldon would save **6 hours and 24 minutes** by taking the airplane instead of the train.

Would you like more details on any part of this solution? Here are five related questions to consider:

1. How would the time saved change if the airplane had a delay of 30 minutes?
2. If Sheldon had a layover during the airplane trip that added an additional 1 hour, what would be the new time saved?
3. What is the percentage of time saved by taking the airplane instead of the train?
4. How would the time saved change if the train took 30 minutes longer?
5. How much time would Sheldon spend in total on both the train and airplane?

**Tip**: Converting time into minutes is often useful when comparing durations, as it simplifies the subtraction process.

Learn how to calculate the time saved by choosing an airplane over a train journey to San Francisco. This problem involves basic time calculations and subtraction. Suitable for students in Grades 4-6.

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