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A bus travels a distance of 120 km with a speed of 40km per hour and returns with a speed of 30km per hour calculate the average speed for the entire journey

Respuesta :

thedemon840

Answer:

35 km/hr

Explanation:

Average speed = (total of the speed)/(the sets of speeds given)

Direction does not matter in this instance since speed is only magnitude,

Average speed = (30 + 40)/2

Average speed = 70 ÷ 2

= 35 km/hr

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