When a small plane flies with the wind, it can travel 2040 miles in 3 hours. When it flies against the wind, it takes 3.29032258064516 hours to travel the same distance. For the following problems, use for the rate of the airplane in still air and for the rate of the wind.

a) Write a mathematical expression for the distance travelled with the wind.
Answer:

b) Write a mathematical expression for the distance travelled against the wind.
Answer:

c) What is the rate of the wind? (Note: The rate is measured in miles per hour: mph )
Answer:

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