Question

An airplane's altitude changes -378 feet over 7 minutes. What was the mean change of altitude in feet per minute?

Answer 1

The mean altitude will be -54 per minute

Explanation:

We are given with altitude change as -378 feet over 7 minutes

Now

We need feet per minute

So -378 / 7 will give us the altitude change per minute

-378 / 7 = -54

Therefore the mean change of altitude in feet per minute is -54 per minute