At 20 43, Roshel started driving at 55 km/h from her home to a park 33 km away. She was at the park for 2 h 39 min.
- What time did she leave the park?
- After leaving the park, Roshel drove back along the same route and took 36 min to reach home. What was her average speed, in km/h, for the journey home?