At 20 41, Cindy started driving at 60 km/h from her home to a hypermart 30 km away. She was at the hypermart for 1 h 18 min.
- What time did she leave the hypermart?
- After leaving the hypermart, Cindy drove back along the same route and took 32 min to reach home. What was her average speed, in km/h, for the journey home?