Question
PSLE
At 20 53, Diana started driving at 75 km/h from her home to a library 30 km away. She was at the library for 1 h 26 min.
  1. What time did she leave the library?
  2. After leaving the library, 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 20 53, Diana started driving at 75 km/h from her home to a library 30 km away. She was at the library for 1 h 26 min.
  1. What time did she leave the library?
  2. After leaving the library, 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?