Question
PSLE
Erika and Dana started cycling at the same time along a 9 km track. Both did not change their speeds from start to finish. Erika cycled at 500 m/min. When she reached the end of the track, she was 1800 m ahead of Dana. What was Dana's cycling speed in m/min?
3 m

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PSLE
Erika and Dana started cycling at the same time along a 9 km track. Both did not change their speeds from start to finish. Erika cycled at 500 m/min. When she reached the end of the track, she was 1800 m ahead of Dana. What was Dana's cycling speed in m/min?