Question
PSLE
Zoe and Andy ran in a race. When Andy had completed the race, Zoe had only run 47 of the distance. Zoe's speed was 81 m/min slower than Andy's speed. Both of them did not change their speeds throughout the race. What was Andy's speed in m/min?
3 m

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PSLE
Zoe and Andy ran in a race. When Andy had completed the race, Zoe had only run 47 of the distance. Zoe's speed was 81 m/min slower than Andy's speed. Both of them did not change their speeds throughout the race. What was Andy's speed in m/min?