Question
PSLE
Zara and Usha started cycling at the same time along a 11.25 km track. Both did not change their speeds from start to finish. Zara cycled at 375 m/min. When she reached the end of the track, Usha was 2250 m behind her. What was Usha's cycling speed in m/min?
3 m

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PSLE
Zara and Usha started cycling at the same time along a 11.25 km track. Both did not change their speeds from start to finish. Zara cycled at 375 m/min. When she reached the end of the track, Usha was 2250 m behind her. What was Usha's cycling speed in m/min?