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Mathematics, 20.08.2021 01:20 nevecronin

12. A bus covers a certain distance in 60 minutes if it runs at a speed of 60 km/hr. What must be the speed of the bus in order to reduce the time of journey by 40 minutes?

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12. A bus covers a certain distance in 60 minutes if it runs at a speed of 60 km/hr. What must be th...
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