Mathematics, 04.08.2019 04:00 Darkknighta26

During a journey, a car travels at an average speed of 53 km/h for the first hour and at an average speed of 49 km/h for the next two hours. fine the distance of the whole journey.

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During a journey, a car travels at an average speed of 53 km/h for the first hour and at an average...

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