# The temperature drops from 48°C to 21°C in 9 hours. What is the average temperature change per hour?

##### 2 Answers

Apr 13, 2017

Apr 13, 2017

See the entire solution process below:

#### Explanation:

The formula for the average change in temperature per hour is:

Where:

Substituting and calculating

The average temperature change per hour was -3°C