Question
Elijah drove at an average speed of 94 km/h for 2 hours. He then reduced his average speed by 18 km/h and continued for another 4 hours before he reached his destination. Find his average speed for the whole journey.
3 m

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Elijah drove at an average speed of 94 km/h for 2 hours. He then reduced his average speed by 18 km/h and continued for another 4 hours before he reached his destination. Find his average speed for the whole journey.