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Mathematics, 09.04.2021 17:40 isaiahcannon5709

an average speed of 57 km/h and the remaining 55 km at an average speed of 110 km/h. Find the average speed of the car for its entire journey.

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an average speed of 57 km/h and the remaining 55 km at an average speed of 110 km/h. Find the averag...

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