Question
Zane drove a car at an average speed of 102 km/h for 40 minutes. He then reduced his average speed by 20 km/h and drove another 30 min before he reached his destination. Find the total distance covered by Zane.
3 m

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Zane drove a car at an average speed of 102 km/h for 40 minutes. He then reduced his average speed by 20 km/h and drove another 30 min before he reached his destination. Find the total distance covered by Zane.