Question

The temperature dropped 3°C every hour for 7 hours. What was the total number of degrees the

temperature changed in the 7 hours?

Answer 1

the answer is 21 °C

Answer 2

21 °C

Explanation:

Let's assume the temperature drop (3 °C) per hr is x

This means the total temperature drop would be 7x because 7 hours

7(3°C)=21°C