An airplane flying at an altitude of 3000 feet descends at a rate of 500 feet per mile. Write an equation for the altitude of the airplane, A, for each mile, m, that it descends.
A = 3000 - 500m
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np
To write an equation for the altitude of the airplane, we need to take into account that the plane is descending at a rate of 500 feet per mile.
Let A represent the altitude of the airplane in feet, and let m represent the number of miles that the airplane descends.
The starting altitude of the airplane is 3000 feet, so the equation for the altitude would be:
A = 3000 - (500 * m)
This equation subtracts 500 feet for each mile the airplane descends from the starting altitude of 3000 feet.