SOLUTION: If the speed of an airplane is 350 mi/h with a tail wind of 40 mi/h what is the speed of the plane in still air?

Question 924655: If the speed of an airplane is 350 mi/h with a tail wind of 40 mi/h what is the speed of the plane in still air?

Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
x = speed in still air
y = wind speed = 40 mph
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x + y = 350
x + 40 = 350
x = 310
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answer:
x = speed in still air = 310 mph
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