One day at 3 AM, the temperature was -13°F in Kodiak, Alaska. At 10 AM., the temperature was 22°F. What was the average change in temperature per hour?
The temperature increased by 35°F (22 - -13). The time difference between 3 AM and 10 AM is 7 hours. Therefore, the average change in temperature per hour is:
35°F / 7 hours = 5°F/hour.
The temperature increased by an average of 5°F per hour.