At 12 40, Gillian started driving at 72 km/h from her home to a bistro 36 km away. She was at the bistro for 1 h 49 min.
- What time did she leave the bistro?
- After leaving the bistro, Gillian 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?