SOLUTION: Eddie is flying a jet against the wind on a 330 mile trip. Flying with the same wind speed, Eddie could fly a 550 mile trip in the same amount of time. If Eddie's jet flies 220 m

Question 587417: Eddie is flying a jet against the wind on a 330 mile trip. Flying with the same wind speed, Eddie could fly a 550 mile trip in the same amount of time. If Eddie's jet flies 220 miles per hour in still air, what is the speed of the wind? Solve problem algebraically please...
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
Eddie is flying a jet against the wind on a 330 mile trip.
Flying with the same wind speed, Eddie could fly a 550 mile trip in the same amount of time.
If Eddie's jet flies 220 miles per hour in still air, what is the speed of the wind?
:
Let w = speed of the wind
then
(220+w) = effective speed with the wind
and
(220-w) = effective speed against the wind
:
Write a time equation: time = dist/speed
:
=
Cross multiply
330(220+w) = 550(220-w)
72600 + 330w = 121000 - 550w
330w + 550w = 121000 - 72600
880w = 48400
w =
w = 55 mph is the wind
;
:
Check this by finding the times, they should be equal
550/275 = 2 hrs
330/165 = 2 hrs
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