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Mathematics, 21.06.2019 16:40 shippo

Aplane traveling from dallas to new york with a tail wind of 30 mph it takes 4.5 hours. returning with the headwind it takes the same plane 5 hours what is the average speed of the plane and calm conditions


Aplane traveling from dallas to new york with a tail wind of 30 mph it takes 4.5 hours. returning wi

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Aplane traveling from dallas to new york with a tail wind of 30 mph it takes 4.5 hours. returning wi...
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