The average change in temperature per hour is -2.5°F
Temperature is the condition whether hotness or coldness of the atmosphere at a given time and place.
From the question,
The temperature in a certain city over the range of 7.4 hours is –18.5°F
Therefore, the temperature In 1 hour will be =(Here we cross multiply)
Giving us
[tex]\frac{ (1 hour x ( -18.5°F) } {7.4 hours}[/tex] = -2.5°F
we can then say that in 1 hour, the temperature was -2.5°F
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