The mean temperature for the first 4 days in january was 7°c. the mean temperature for the first 5 days in january was 5°c. what was the temperature on the 5th day?

temperature on the 5th days was -3 degree Celsius

Step-by-step explanation:

Mean is the average of the numbers

As per the statement:

The mean temperature for the first 4 days in January was 7°C.

Sum of the first 4 days temperature =

It is also given that:

the mean temperature for the first 5 days in January was 5°C.

then;

Sum of the  first 5 days temperature =

We have to find the temperature on the 5th days.

Substitute the given values we have;

Therefore, the temperature on the 5th days was -3 degree Celsius

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step-by-step explanation: