At 18 52, Yen started driving at 60 km/h from her home to a boutique 26 km away. She was at the boutique for 1 h 18 min.
- What time did she leave the boutique?
- After leaving the boutique, Yen 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?