At 5:00 am, the temperature is 48 degrees degrees. At 2:00 pm, the temperature is 72 degrees. Find the rate of change in degrees per hour during this time.

Answer: 2.67 degrees per hour

Step-by-step explanation: Firstly, the time range is calculated. That is, how many hours do we have from 5:00am to 2:00pm? (Answer = 7 hours).

Secondly, we find the difference between the degrees of both hours. That is, 72 degrees minus 48 degrees. (Answer = 24 degrees).

So, an increase of 24 degrees was obtained within the 9 hour period. Thus, to obtain the temperature increase per hour, we simply divide the difference gotten from the two degrees (24 degrees) by the duration (9 hours). 24 divided by 9 equals 2.67