SOLUTION: Jill traveled against the wind in a small plane for 6 hours. On the return trip traveling with the wind the trip took 4 hours. Find the speed of the wind if the speed of her plane
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Question 371118: Jill traveled against the wind in a small plane for 6 hours. On the return trip traveling with the wind the trip took 4 hours. Find the speed of the wind if the speed of her plane in still air is 90 miles per hour. Answer by mananth(16946) (Show Source):
You can put this solution on YOUR website! Jill traveled against the wind in a small plane for 6 hours. On the return trip traveling with the wind the trip took 4 hours. Find the speed of the wind if the speed of her plane in still air is 90 miles per hour.
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speed of plane = 90 mph
speed of wind = x mph.
Against wind speed = 90-x
with wind speed = 90+x
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against wind time = 6 hours
with wind time = 4hours
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d= rt . d is same to & fro
6(90-x)=4(90+x)
540-6x=360+4x
10x=180
/10
x= 18 mph
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m.ananth@hotmail.ca
