Question
Neave drove at an average speed of 69 km/h for the first 2 hours of the journey. He then increased his average speed by 24 km/h and drove for another 4 hours until he reached his town. Find his average speed for the whole journey.
3 m

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Neave drove at an average speed of 69 km/h for the first 2 hours of the journey. He then increased his average speed by 24 km/h and drove for another 4 hours until he reached his town. Find his average speed for the whole journey.