At 14 55, Winnie started driving at 63 km/h from her home to a boutique 21 km away. She was at the boutique for 2 h 23 min.
- What time did she leave the boutique?
- After leaving the boutique, Winnie drove back along the same route and took 25 min to reach home. What was her average speed, in km/h, for the journey home?