SOLUTION: flying with the wind, a plane flew 420 miles in 3 hour. Against the wind, the plane could fly only 270 miles in the same amount of time.Find the rate of the wind in miles per hour
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Question 848568: flying with the wind, a plane flew 420 miles in 3 hour. Against the wind, the plane could fly only 270 miles in the same amount of time.Find the rate of the wind in miles per hour
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Groundspeed downwind = 420/3 = 140 mi/hr
Upwind = 270/3 = 90 mi/hr
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The plane's airspeed is the average,
= (140 + 90)/2 = 115 mi/hr
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The windspeed is the difference
140 - 115 = 25 mi/hr
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