SOLUTION: an airplane travels 400 miles against the wind in 5 hours and makes the return trip with the same wind in 2 hours. find the rate of the wind.

Question 254718: an airplane travels 400 miles against the wind in 5 hours and makes the return trip with the same wind in 2 hours. find the rate of the wind.
Answer by drk(1908) (Show Source): You can put this solution on YOUR website!
This is an RTD problem, Here is the table based on given information.
wind . . . . . . .rate . . . . . . . .time . . . . . . . .distance
against . . . . . r - c . . . . . . . .5 . . . . . . .. . .. 400
with . . . . . . . .r + c . . . . . . . 2 . . . . . . .. . . . 400
--
r-c = 80
r+c = 200
adding down we get
2r = 280
r = 140.
RELATED QUESTIONS
An airplane travels 400 miles against the wind in 5 hours, and makes the return trip with (answered by stanbon)

Solve by elimination method. An airplane travels 400 miles against the wind in 5... (answered by Alan3354)

an airplane travels 400 miles against the wind in 4 hours, and makes the return trip with (answered by nyc_function)

an airplane travels 800 miles against the wind in 5 hours, and makes the return trip with (answered by stanbon)

An airplane travels 600 miles against the wind in 3.5 hours and makes the return trip... (answered by josmiceli)

an airplane travels 400 miles against the wind in 4 hours, and makes the return trip in 2 (answered by checkley77)

An airplane travels 600 miles against the wind in 4 hours, and makes the return trip with (answered by checkley77)

An airplane travels 600 miles against the wind in 4 hours, and makes the return trip with (answered by palanisamy)

An airplane travels 500 miles against the wind in 4 hours, and makes the return trip with (answered by jorel1380)