Mathematics, 22.08.2021 14:00, jep88

c) A bus completes its journey in 14 hours with an average speed of 40 km per hour. How long does the bus take to complete the journey if its average speed is increased to 56 km per hour?

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c) A bus completes its journey in 14 hours with an average speed of 40 km per hour. How long does th...