Question
PSLE
At 15 27, Mary started driving at 55 km/h from her home to a reservoir 44 km away. She was at the reservoir for 2 h 44 min.
  1. What time did she leave the reservoir?
  2. After leaving the reservoir, Mary 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 15 27, Mary started driving at 55 km/h from her home to a reservoir 44 km away. She was at the reservoir for 2 h 44 min.
  1. What time did she leave the reservoir?
  2. After leaving the reservoir, Mary 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?