Question
Carl took 4 hours to drive from Point W to Point X while Bobby took 2 hours to drive from Point X to Point W. When they met each other, they were 36 km away from the midpoint of Point W and Point X. What was Bobby's speed?
3 m

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Carl took 4 hours to drive from Point W to Point X while Bobby took 2 hours to drive from Point X to Point W. When they met each other, they were 36 km away from the midpoint of Point W and Point X. What was Bobby's speed?