SOLUTION: At 2pm in Anchorage, Alaska the temperature is 11 degrees fahrenheit, at 9pm the temperature was -10 degrees fahrenheit. What was the average temperature change per hour.

Question 307551: At 2pm in Anchorage, Alaska the temperature is 11 degrees fahrenheit, at 9pm the temperature was -10 degrees fahrenheit. What was the average temperature change per hour.
Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
The average change per hour would be indicated by the slope of the line defined by its endpoints: (,) = (2, 11) and (,) = (9, -10)
Make the appropriate substitutions...

The average temperature change is -3 degrees fahrenheit per hour.
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