Question
PSLE
Usha and Irene started cycling at the same time along a 7.8 km track. Both did not change their speeds from start to finish. Usha cycled at 300 m/min. When she reached the end of the track, she was 1300 m ahead of Irene. What was Irene's cycling speed in m/min?
3 m

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PSLE
Usha and Irene started cycling at the same time along a 7.8 km track. Both did not change their speeds from start to finish. Usha cycled at 300 m/min. When she reached the end of the track, she was 1300 m ahead of Irene. What was Irene's cycling speed in m/min?