Mathematics, 23.09.2019 23:00 Koriunaa
Acar travelled 100 km with half the distance at 40 km/h and the other half at 80 km/h. find the average speed of the car for the whole journey.
Answers: 1
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Acar travelled 100 km with half the distance at 40 km/h and the other half at 80 km/h. find the aver...
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