Problema 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 at 220 miles per hour in still air, what is the speed of the wind?
Answer provided by our tutors
Let w = windspeed
Against wind: mi/hr
With wind: mi/hr
--------------------
Against wind:
(1)
with wind:
(2)
---------------------
Solve both equations for
(1)
(2)
Therefore:
divide both sides by
The wind speed is 55 mi/hr
check answer:
(1)
hrs
and
(2)
hrs
OK