Answer:
Time taken = 4.55 hours.
Explanation:
The plane will fly 6 trips, and each trip is 500 miles.
Total distance traveled = 500 x 6 = 3000 miles
A plane can fly 11 miles per minute.
Speed of train = 11 miles per minute.
Time taken is the ratio of distance and speed.

Time taken = 4.55 hours.