1) A plane travels 2,550 km in 3 hours. Count the speed in km/h 2) A train travels 450 km in 2.5 hours. Count the speed in km/h 3) A bus travels 162 km in 1.5 hours. Count the speed in km/h 4) A person walks 2.25 km in 0,5 hours. Count the speed in km/h

Count the speed_prep 5

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