Question

The altitude of an airplane is decreasing at a rate of 42 feet per second. What is the change in altitude of the airplane over a period of 22 seconds?

Answer 1

924

Explanation:

Look at the guy that explained how to get the answer XD

Answer 2

The equation to find the altitude at x seconds is:
42x=y
X being the seconds and y being the total altitude.
Now, we just have to replace x with 22, since we’re looking for the change over 22 seconds.
42•22
924
The change over 22 seconds is 924 feet. It’s decreased 924 feet.