The mean temperature for the first 4 days in january was 9°c the mean temperature for the first 5 days in january was 7°c. what was the temperature on the 5th day?

-1°C

Step-by-step explanation:

Now we are given the mean temperature for the first 4 days in January was 9°C

So,

Now we are given that  the mean temperature for the first 5 days in January was 7°C

So, Temperature on 5th day = Sum of temperatures of first 5 days -Sum of temperatures of first 4 days

Temperature on 5th day = 35°C-36°C = -1°C

Hence the temperature on the 5th day was -1°C

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step-by-step explanation: