Question
PSLE
Erika and Rael ran in a race. When Rael had completed the race, Erika had only run 710 of the distance. Erika's speed was 81 m/min slower than Rael's speed. Both of them did not change their speeds throughout the race. What was Rael's speed in m/min?
3 m

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PSLE
Erika and Rael ran in a race. When Rael had completed the race, Erika had only run 710 of the distance. Erika's speed was 81 m/min slower than Rael's speed. Both of them did not change their speeds throughout the race. What was Rael's speed in m/min?