Question
Rael took 6 hours to drive from Point C to Point D while Pierre took 3 hours to drive from Point D to Point C. When they met each other, they were 31 km away from the midpoint of Point C and Point D. What was Pierre's speed?
3 m

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Rael took 6 hours to drive from Point C to Point D while Pierre took 3 hours to drive from Point D to Point C. When they met each other, they were 31 km away from the midpoint of Point C and Point D. What was Pierre's speed?