Roxville

The temperature in Roxville decreased 15 degree in five hours. What was the average decrease in temperature per hour? Write you answer as an integer.

Correct answer:

a =  3 °C/h

Step-by-step explanation:

$$\begin{gathered} T=15\text{ °C } \\ t=5\text{ h } \\ a={\displaystyle \frac{T}{t}}={\displaystyle \frac{15}{5}}=3\text{°C/h} \end{gathered}$$

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