Question
PSLE
At 12 50, Diana started driving at 90 km/h from her home to a school 33 km away. She was at the school for 1 h 35 min.
  1. What time did she leave the school?
  2. After leaving the school, Diana drove back along the same route and took 24 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 12 50, Diana started driving at 90 km/h from her home to a school 33 km away. She was at the school for 1 h 35 min.
  1. What time did she leave the school?
  2. After leaving the school, Diana drove back along the same route and took 24 min to reach home. What was her average speed, in km/h, for the journey home?