Question

in july, the average temperature in one us city was 29°c. by december, the average temperature had fallen by 29°c. explain why the average temperature in december was 0°c.

Explanation:

Step1: Identify initial temperature

The initial average temperature in July is 29°C.

Step2: Consider temperature change

The temperature has fallen by 29°C by December.

Step3: Calculate December temperature

We use subtraction. Initial temperature - fall in temperature = 29 - 29 = 0°C.

Answer:

The average temperature in July was 29°C. A fall of 29°C means we subtract 29 from 29. Mathematically, 29 - 29 = 0. So the average temperature in December is 0°C.