Question
PSLE
At 11 36, Mary started driving at 55 km/h from her home to a boutique 33 km away. She was at the boutique for 2 h 33 min.
  1. What time did she leave the boutique?
  2. After leaving the boutique, Mary drove back along the same route and took 36 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 11 36, Mary started driving at 55 km/h from her home to a boutique 33 km away. She was at the boutique for 2 h 33 min.
  1. What time did she leave the boutique?
  2. After leaving the boutique, Mary drove back along the same route and took 36 min to reach home. What was her average speed, in km/h, for the journey home?