Question
PSLE
Usha and Tiffany started cycling at the same time along a 11.5 km track. Both did not change their speeds from start to finish. Usha cycled at 500 m/min. When she reached the end of the track, she was 575 m ahead of Tiffany. What was Tiffany's cycling speed in m/min?
3 m

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PSLE
Usha and Tiffany started cycling at the same time along a 11.5 km track. Both did not change their speeds from start to finish. Usha cycled at 500 m/min. When she reached the end of the track, she was 575 m ahead of Tiffany. What was Tiffany's cycling speed in m/min?