Question

The mean temperature for the first 4 days in January was 3°C.

The mean temperature for the first 5 days in January was 1°C.
What was the temperature on the 5th day​

Answer 1

it is 4 C

Explanation:

because it is the first 4 days of January and it was 3C and on the 5 day it was 1C add it up and you will get 4C