Question
David took 10 hours to drive from Point R to Point S while Reggie took 6 hours to drive from Point S to Point R. When they met each other, they were 55 km away from the midpoint of Point R and Point S. What was David's speed?
3 m

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David took 10 hours to drive from Point R to Point S while Reggie took 6 hours to drive from Point S to Point R. When they met each other, they were 55 km away from the midpoint of Point R and Point S. What was David's speed?