Multiple Choice
Solve the problem.
-An airplane flies 450 miles with the wind and 330 against the wind in the same length of time. If the speed of the wind is 20, what is the speed of the airplane in still air?
A) 120 mph
B) 55 mph
C) 130 mph
D) 135 mph
Correct Answer:

Verified
Correct Answer:
Verified
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