A vehicle covers the first 60 km at 40 km/h and the next 60 km at 60 km/h. What is the average speed for the entire 120 km journey?
A vehicle covers the first 60 km at 40 km/h and the…
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Written by
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A vehicle covers the first 60 km at 40 km/h and the next 60 km at 60 km/h. What is the average speed for the entire 120 km journey?
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