Question
PSLE
Tina and Riordan ran in a race. When Riordan had completed the race, Tina had only run 58 of the distance. Riordan's speed was 84 m/min faster than Tina's speed. Both of them did not change their speeds throughout the race. What was Tina's speed in m/min?
3 m

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PSLE
Tina and Riordan ran in a race. When Riordan had completed the race, Tina had only run 58 of the distance. Riordan's speed was 84 m/min faster than Tina's speed. Both of them did not change their speeds throughout the race. What was Tina's speed in m/min?