Question
PSLE
Natalie and Opal started cycling at the same time along a 14 km track. Both did not change their speeds from start to finish. Natalie cycled at 500 m/min. When she reached the end of the track, Opal was 2100 m behind her. What was Opal's cycling speed in m/min?
3 m

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PSLE
Natalie and Opal started cycling at the same time along a 14 km track. Both did not change their speeds from start to finish. Natalie cycled at 500 m/min. When she reached the end of the track, Opal was 2100 m behind her. What was Opal's cycling speed in m/min?