At 20 46, Roshel started driving at 80 km/h from her home to a clinic 36 km away. She was at the clinic for 1 h 19 min.
- What time did she leave the clinic?
- After leaving the clinic, Roshel drove back along the same route and took 24 min to reach home. What was her average speed, in km/h, for the journey home?