Multiple Choice
An airplane covers a distance of 1,800 miles in 3 hours when it flies with the wind and hours when it flies against the wind. What is the speed of the plane in still air?
A) 570 miles per hour
B) 670 miles per hour
C) 520 miles per hour
D) 620 miles per hour
E) 470 miles per hour
Correct Answer:

Verified
Correct Answer:
Verified
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