Question

A small plane flew 752 miles in 4 hours with the wind. Then on the return trip, flying against the wind, it traveled only 512 miles in 4 hours. What were the wind velocity and the speed of the plane? (Note: The "speed of the plane" means how fast the plane would be flying with no wind.)

Answer 1

A small plane flew 752 miles in 4 hours with the wind. 
Then on the return trip, flying against the wind, it traveled only 512 miles in 4 hours. 
What were the wind velocity and the speed of the plane?
The speed of the plane was 158 miles per hour.
The velocity of the wind was 30 miles per hour.