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A bus driver travelled the first 130km at an average speed at 65km/h. For the next three hours he travelled at an average speed of...

A bus driver travelled the first 130km at an average speed at 65km/h. For the next three hours he travelled at an average speed of 50km/h. Find the average speed of 50km/h.
Find the average speed for the whole journey.

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Kavungya answered the question on October 29, 2019 at 12:05

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