Mathematics, 27.08.2019 20:00 Hali07

Sandra walked to the top of a hill at a speed of 2 km/h, turn around and walked down the hill at a rate of 4 km/h. the whole trip took 6 hours. how many kilometres is it to the top of the hill?

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Sandra walked to the top of a hill at a speed of 2 km/h, turn around and walked down the hill at a r...

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