Question
PSLE
At 15 55, Emma started driving at 84 km/h from her home to a clinic 35 km away. She was at the clinic for 1 h 17 min.
  1. What time did she leave the clinic?
  2. After leaving the clinic, Emma drove back along the same route and took 21 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 55, Emma started driving at 84 km/h from her home to a clinic 35 km away. She was at the clinic for 1 h 17 min.
  1. What time did she leave the clinic?
  2. After leaving the clinic, Emma drove back along the same route and took 21 min to reach home. What was her average speed, in km/h, for the journey home?