Question
PSLE
Irene and Charlie ran in a race. When Charlie had completed the race, Irene had only run 47 of the distance. Charlie's speed was 60 m/min faster than Irene's speed. Both of them did not change their speeds throughout the race. What was Irene's speed in m/min?
3 m

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PSLE
Irene and Charlie ran in a race. When Charlie had completed the race, Irene had only run 47 of the distance. Charlie's speed was 60 m/min faster than Irene's speed. Both of them did not change their speeds throughout the race. What was Irene's speed in m/min?