Question
PSLE
At 15 31, Erika started driving at 54 km/h from her home to a restaurant 45 km away. She was at the restaurant for 1 h 20 min.
  1. What time did she leave the restaurant?
  2. After leaving the restaurant, Erika drove back along the same route and took 45 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 31, Erika started driving at 54 km/h from her home to a restaurant 45 km away. She was at the restaurant for 1 h 20 min.
  1. What time did she leave the restaurant?
  2. After leaving the restaurant, Erika drove back along the same route and took 45 min to reach home. What was her average speed, in km/h, for the journey home?