Question
PSLE
Usha and Ken ran in a race. When Ken had completed the race, Usha had only run 47 of the distance. Usha's speed was 72 m/min slower than Ken's speed. Both of them did not change their speeds throughout the race. What was Ken's speed in m/min?
3 m

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PSLE
Usha and Ken ran in a race. When Ken had completed the race, Usha had only run 47 of the distance. Usha's speed was 72 m/min slower than Ken's speed. Both of them did not change their speeds throughout the race. What was Ken's speed in m/min?