Question
Perry took 6 hours to drive from Point R to Point S while Ian took 4 hours to drive from Point S to Point R. When they met each other, they were 39 km away from the midpoint of Point R and Point S. What was Perry's speed?
3 m

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Perry took 6 hours to drive from Point R to Point S while Ian took 4 hours to drive from Point S to Point R. When they met each other, they were 39 km away from the midpoint of Point R and Point S. What was Perry's speed?