Question 1143469: A man flies a small airplane from Fargo to Bismarck, North Dakota --- a distance of 180 miles. Because he is flying into a head wind, the trip takes him 2 hours. On the way back, the wind is still blowing at the same speed, so the return trip takes only 1 hour 12 minutes. What is his speed in still air, and how fast is the wind blowing?
Your answer is
his speed equals
the wind speed equals
Answer by ikleyn(52772)   (Show Source):
You can put this solution on YOUR website! .
You formatted your post as if you want to say
"I do not want to know the method of the solution - I want the answer only".
Therefore, I will put the solution in shortest form, without wording comments.
u - v =  = 90
u + v =  = 150
u - v = 90
u + v = 150
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2u = 90+150 = 240 ====> u = 240/2 = 120 mph. the speed of the plane at no wind, mph
v = 150 - 120 = 30. the wind speed, mph
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When visitors come to the forum wishing to learn something, I usually solve the problem for them with all details and explanations.
Moreover, I give a bonus to them - the lessons, from which they can learn the subject deeper and wider.
But not in this case.
Make your conclusion.
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