Multiple Choice
Write a system of equations for the problem, and then solve the system.
-If a plane can travel 310 miles per hour with the wind and only 290 miles per hour against the wind, find the speed of the wind and the speed of the plane in still air.
A) Plane: 300 mph; wind: 20 mph
B) Plane: 400 mph; wind: 10 mph
C) Plane: 300 mph; wind: 10 mph
D) Plane: 10 mph; wind: 300 mph
Correct Answer:

Verified
Correct Answer:
Verified
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