Use a system of linear equations to solve Exercises 7384.When an airplane flies with the
Chapter 5, Problem 82(choose chapter or problem)
Use a system of linear equations to solve Exercises 7384.When an airplane flies with the wind, it travels 800 miles in4 hours. Against the wind, it takes 5 hours to cover the samedistance. Find the planes rate in still air and the rate of thewind.
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