Question
Tommy drove at an average speed of 94 km/h for 5 hours. He then reduced his average speed by 12 km/h and continued for another 5 hours before he reached his destination. Find his average speed for the whole journey.
3 m

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Tommy drove at an average speed of 94 km/h for 5 hours. He then reduced his average speed by 12 km/h and continued for another 5 hours before he reached his destination. Find his average speed for the whole journey.