Question
Tom drove at an average speed of 83 km/h for the first 3 hours of the journey. He then increased his average speed by 16 km/h and drove for another 5 hours until he reached his town. Find his average speed for the whole journey.
3 m

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Tom drove at an average speed of 83 km/h for the first 3 hours of the journey. He then increased his average speed by 16 km/h and drove for another 5 hours until he reached his town. Find his average speed for the whole journey.