Question
PSLE
Gem and Usha started cycling at the same time along a 5.2 km track. Both did not change their speeds from start to finish. Gem cycled at 400 m/min. When she reached the end of the track, Usha was 1300 m behind her. What was Usha's cycling speed in m/min?
3 m

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PSLE
Gem and Usha started cycling at the same time along a 5.2 km track. Both did not change their speeds from start to finish. Gem cycled at 400 m/min. When she reached the end of the track, Usha was 1300 m behind her. What was Usha's cycling speed in m/min?