Question
A plane takes 3 hours to travel 1500 miles with the wind. it can travel only 1380 miles against the wind in the same amount of time. Find the speed of the wind and the speed of the plane in still air.
Answers
If the plane's speed is p, and the wind's speed is w, then since distance = speed * time,
3(p+w) = 1500
3(p-w) = 1380
Now you can easily find p, and then w.
3(p+w) = 1500
3(p-w) = 1380
Now you can easily find p, and then w.
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