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28-12-2017
Physics

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A train travels 63 kilometers in 2 hours, and then 72 kilometers in 4 hours. What is its average speed?

Respuesta :

28-12-2017

The train traveled a total of
63 + 72 =135 kilometers
In a total of
2 + 4 = 6 hours

Average speed is
135 ÷ 6 = 22.5 kilometers/hour

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