Question
PSLE
Xandra and David ran in a race. When David had completed the race, Xandra had only run 710 of the distance. David's speed was 75 m/min faster than Xandra's speed. Both of them did not change their speeds throughout the race. What was Xandra's speed in m/min?
3 m

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PSLE
Xandra and David ran in a race. When David had completed the race, Xandra had only run 710 of the distance. David's speed was 75 m/min faster than Xandra's speed. Both of them did not change their speeds throughout the race. What was Xandra's speed in m/min?