The outside temperature decreases by
7.5°F in 1 1/5 hours.
Part A
What was the average change in
temperature, in degrees Fahrenheit,
each hour?
Part B
If the temperature continues to
decrease at this rate, the change in
temperature will be
-31.25°F
-36.25°F
-34.8°F
-37.7°F
after 5 4/5 hours.