Question
Fred took 6 hours to drive from Point S to Point T while Luke took 4 hours to drive from Point T to Point S. When they met each other, they were 57 km away from the midpoint of Point S and Point T. What was Fred's speed?
3 m

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Fred took 6 hours to drive from Point S to Point T while Luke took 4 hours to drive from Point T to Point S. When they met each other, they were 57 km away from the midpoint of Point S and Point T. What was Fred's speed?