Question
PSLE
At 15 48, Barbara started driving at 84 km/h from her home to a clinic 42 km away. She was at the clinic for 2 h 18 min.
  1. What time did she leave the clinic?
  2. After leaving the clinic, Barbara 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 15 48, Barbara started driving at 84 km/h from her home to a clinic 42 km away. She was at the clinic for 2 h 18 min.
  1. What time did she leave the clinic?
  2. After leaving the clinic, Barbara 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?