[tex]Rate_{temp}=\frac{\Delta temp}{\Delta time}[/tex]
[tex]Rate_{temp}=\frac{temp_{2}-temp_{1}}{time_{2}-time_{1}}[/tex]
[tex]Rate_{temp}=\frac{212\°-47\°}{5min-0min}[/tex]
[tex]Rate_{temp}=\frac{165\°}{5min}[/tex]
[tex]Rate_{temp}=\frac{33\°}{min}[/tex]
The rate of change is 33° per minute.
