Question
PSLE
At 10 52, Opal started driving at 81 km/h from her home to a clinic 27 km away. She was at the clinic for 1 h 37 min.
  1. What time did she leave the clinic?
  2. After leaving the clinic, Opal drove back along the same route and took 30 min to reach home. What was her average speed, in km/h, for the journey home?
4 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

PSLE
At 10 52, Opal started driving at 81 km/h from her home to a clinic 27 km away. She was at the clinic for 1 h 37 min.
  1. What time did she leave the clinic?
  2. After leaving the clinic, Opal drove back along the same route and took 30 min to reach home. What was her average speed, in km/h, for the journey home?