Question
PSLE
At 11 43, Cathy started driving at 86 km/h from her home to a supermarket 43 km away. She was at the supermarket for 2 h 34 min.
  1. What time did she leave the supermarket?
  2. After leaving the supermarket, Cathy drove back along the same route and took 40 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 43, Cathy started driving at 86 km/h from her home to a supermarket 43 km away. She was at the supermarket for 2 h 34 min.
  1. What time did she leave the supermarket?
  2. After leaving the supermarket, Cathy drove back along the same route and took 40 min to reach home. What was her average speed, in km/h, for the journey home?