Use a system of linear equations to solve Exercises 7384. When an airplane flies with the wind,
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Use a system of linear equations to solve Exercises 73–84.
When an airplane flies with the wind, it travels 800 miles in 4 hours. Against the wind, it takes 5 hours to cover the same distance. Find the plane’s rate in still air and the rate of the wind.
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With wind Without wind rate x y xy 4x 4y 800 5x ...View the full answer
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