Question
Sam drove a car at an average speed of 70 km/h for 30 minutes. He then reduced his average speed by 13 km/h and drove another 20 min before he reached his destination. Find the total distance covered by Sam.
3 m

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Sam drove a car at an average speed of 70 km/h for 30 minutes. He then reduced his average speed by 13 km/h and drove another 20 min before he reached his destination. Find the total distance covered by Sam.