At 19 44, Elyse started driving at 57 km/h from her home to a school 38 km away. She was at the school for 2 h 17 min.
- What time did she leave the school?
- After leaving the school, Elyse drove back along the same route and took 38 min to reach home. What was her average speed, in km/h, for the journey home?