Question
PSLE
Mary and Rachel started cycling at the same time along a 5.4 km track. Both did not change their speeds from start to finish. Mary cycled at 300 m/min. When she reached the end of the track, she was 900 m ahead of Rachel. What was Rachel's cycling speed in m/min?
3 m

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PSLE
Mary and Rachel started cycling at the same time along a 5.4 km track. Both did not change their speeds from start to finish. Mary cycled at 300 m/min. When she reached the end of the track, she was 900 m ahead of Rachel. What was Rachel's cycling speed in m/min?