Question
Jack took 6 hours to drive from Point W to Point X while Harry took 4 hours to drive from Point X to Point W. When they met each other, they were 57 km away from the midpoint of Point W and Point X. What was Jack's speed?
3 m

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Jack took 6 hours to drive from Point W to Point X while Harry took 4 hours to drive from Point X to Point W. When they met each other, they were 57 km away from the midpoint of Point W and Point X. What was Jack's speed?