Question
PSLE
At 10 31, Hazel started driving at 57 km/h from her home to a school 38 km away. She was at the school for 1 h 23 min.
  1. What time did she leave the school?
  2. After leaving the school, Hazel 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?
4 m
(a)

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(b)

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PSLE
At 10 31, Hazel started driving at 57 km/h from her home to a school 38 km away. She was at the school for 1 h 23 min.
  1. What time did she leave the school?
  2. After leaving the school, Hazel 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?