Question
PSLE
At 14 47, Yoko started driving at 90 km/h from her home to a supermarket 42 km away. She was at the supermarket for 2 h 23 min.
  1. What time did she leave the supermarket?
  2. After leaving the supermarket, Yoko drove back along the same route and took 28 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 14 47, Yoko started driving at 90 km/h from her home to a supermarket 42 km away. She was at the supermarket for 2 h 23 min.
  1. What time did she leave the supermarket?
  2. After leaving the supermarket, Yoko drove back along the same route and took 28 min to reach home. What was her average speed, in km/h, for the journey home?