Mathematics, 09.12.2020 15:40 yuvallevy14
A plane in still air can fly at an average speed of 150 km/h.
On a particular journey of 720 km, it flies against a particular wind speed of average speed of
km/h and then returns with the wind speed.
If the entire trip takes a total of 10 hours, find the average speed of the wind.
Answers: 3
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A plane in still air can fly at an average speed of 150 km/h.
On a particular journey of 720 km, it...
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