Physics, 27.08.2020 18:01, duracohack

A truck took 4 hours to complete a journey. At the first 1 h 45 min, it travelled at an average speed of 70 km/h. For the rest of
the journey, it travelled at an average speed of 80 km/h. What
was the total distance of the journey?

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A truck took 4 hours to complete a journey. At the first 1 h 45 min, it travelled at an average spe...