Question
Sean drove at an average speed of 90 km/h for 48 minutes. He then reduced his average speed by 10 km/h and drove a further 30 minutes before he reached his house. Find the total distance covered by Sean.
3 m

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Sean drove at an average speed of 90 km/h for 48 minutes. He then reduced his average speed by 10 km/h and drove a further 30 minutes before he reached his house. Find the total distance covered by Sean.