At 11 24, Ivory started driving at 50 km/h from her home to a bistro 40 km away. She was at the bistro for 2 h 23 min.
- What time did she leave the bistro?
- After leaving the bistro, Ivory 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?