Question
Mark drove a car at an average speed of 114 km/h for 40 minutes. He then reduced his average speed by 18 km/h and drove another 20 min before he reached his destination. Find the total distance covered by Mark.
3 m

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Mark drove a car at an average speed of 114 km/h for 40 minutes. He then reduced his average speed by 18 km/h and drove another 20 min before he reached his destination. Find the total distance covered by Mark.