Flying against the wind, an airplane travels 3920 kilometers in 4 hours. Flying with the wind, the same plane travels 12,780 kilometers in 9 hours. What is therate of the plane in still air and what is

Maximilian Ast asked Feb 9, 2023

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Maximilian Ast asked Feb 9, 2023

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21 votes

The rate of the plane still in air = 12780/9 - 3920/4

= 440 km/h

Fire Emblem answered Feb 14, 2023

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