Question
PSLE
Cindy and Japheth ran in a race. When Japheth had completed the race, Cindy had only run 47 of the distance. Japheth's speed was 78 m/min faster than Cindy's speed. Both of them did not change their speeds throughout the race. What was Cindy's speed in m/min?
3 m

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PSLE
Cindy and Japheth ran in a race. When Japheth had completed the race, Cindy had only run 47 of the distance. Japheth's speed was 78 m/min faster than Cindy's speed. Both of them did not change their speeds throughout the race. What was Cindy's speed in m/min?