To determine which train takes more than two hours to travel from Station A to Station B, let's calculate the travel times for each train:

1. Train A:

   • Departure: 0700
   • Arrival: 0839
   • Travel time: $0839 - 0700$

   Converting these times to minutes:

   • 0700: $7 \times 60 + 0 = 420$ minutes
   • 0839: $8 \times 60 + 39 = 519$ minutes

   Travel time: $519 - 420 = 99$ minutes

2. Train B:

   • Departure: 0715
   • Arrival: 0848
   • Travel time: $0848 - 0715$

   Converting these times to minutes:

   • 0715: $7 \times 60 + 15 = 435$ minutes
   • 0848: $8 \times 60 + 48 = 528$ minutes

   Travel time: $528 - 435 = 93$ minutes

3. Train C:

   • Departure: 0745
   • Arrival: 0959
   • Travel time: $0959 - 0745$

   Converting these times to minutes:

   • 0745: $7 \times 60 + 45 = 465$ minutes
   • 0959: $9 \times 60 + 59 = 599$ minutes

   Travel time: $599 - 465 = 134$ minutes

4. Train D:

   • Departure: 0800
   • Arrival: 0939
   • Travel time: $0939 - 0800$

   Converting these times to minutes:

   • 0800: $8 \times 60 + 0 = 480$ minutes
   • 0939: $9 \times 60 + 39 = 579$ minutes

   Travel time: $579 - 480 = 99$ minutes

To determine if the travel time exceeds two hours, we convert two hours to minutes: $2 \times 60 = 120$ minutes.

Only Train C has a travel time of more than 120 minutes (134 minutes).

Therefore, the train that takes more than two hours to travel from Station A to Station B is Train C.

Do you want more details or have any questions?

Here are 5 related questions for further practice:

1. How long does it take for Train A to travel from Station A to Station B?
2. Which train has the shortest travel time between Station A and Station B?
3. Calculate the average travel time of all trains from Station A to Station B.
4. If Train B's departure time was delayed by 10 minutes, what would be the new travel time?
5. What is the total travel time of all trains combined?

Tip: When calculating time differences, it's helpful to convert everything to a common unit (such as minutes) to simplify the subtraction.