SOLUTION: an airplane covers a distance of 1500 miles in three hours when it flies with the wind and 31/3 hours when it flies against the wind. what is the speed of the plane in still air?

Question 323498: an airplane covers a distance of 1500 miles in three hours when it flies with the wind and 31/3 hours when it flies against the wind. what is the speed of the plane in still air?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Let P be the plane speed in still air, W be the wind speed.
Rate*Time=Distance

1.
.
.
.

2.
Add eq. 1 and eq. 2 to eliminate W.

mph
.
.
.
Then use either equation to solve for W.

mph

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