SOLUTION: The rate of the jet stream is 100 miles per hour. Traveling with the jet​ stream, an airplane can fly 1800 miles in the same amount of time as it takes to fly 600 miles again

Algebra ->  Functions -> SOLUTION: The rate of the jet stream is 100 miles per hour. Traveling with the jet​ stream, an airplane can fly 1800 miles in the same amount of time as it takes to fly 600 miles again      Log On


   



Question 1125958: The rate of the jet stream is 100 miles per hour. Traveling with the jet​ stream, an airplane can fly 1800 miles in the same amount of time as it takes to fly 600 miles against the jet stream. What is the​ airplane's average rate in calm​ air?
The​ airplane's average rate is

Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
-----------
...jet stream is 100 miles per hour. Traveling with the jet​ stream, an airplane can fly 1800 miles in the same amount of time as it takes to fly 600 miles against the jet stream.
-----------

1800%2F%28r%2B100%29=600%2F%28r-100%29
-
18%2F%28r%2B100%29=6%2F%28r-100%29
3%2F%28r%2B100%29=1%2F%28r-100%29
3r-300=r%2B100
2r=400
highlight%28r=200%29