Question: 12. A plane can fly 540 miles with the wind in one hour less than it can y 480 miles against the wind. The average

12. A plane can fly 540 miles with the wind in one hour less than it can y 480 miles against the wind. The average wind speed is 30 miles per hour. Find the speed of the plane in still air. 0 A. 150 miles per hour O B. 120 miles per hour O C. 180 miles per hour 0 D. 210 miles per hour
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