Question

The altitude of a plane as it begins to descend is shown by the linear equation
a = 28,500 – 1800m, where a is the plane’s altitude, in feet, and m is minutes.

What is the plane’s altitude when m = 9?

@M0j0jojo

Answer 1

Plug in 9 for m
a=28500-1800(9)
a=28500-16200
a=12300 Feet