A vehicle is driven at 50km/h for 2 and half hours and then at 65km/h for 1/2 hours find the average speed for the whole journey

Answer 1

distance at 2.5 hrs = 2.5(50) = 125 km
distance at .5 hrs = .5(65) = 32.5 km

avg speed = 157.5 km/3 hrs
= 52.5 km/h

Answer 2

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