The mean temperature for the first 4 days in January was 1°C. The mean temperature for the first 5 days in January was 3°C. What was the temperature on the 5th day?

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asked Feb 1, 2021 174k views

1 Answer

Khauri · Answer 1 · 2021-02-05T11:12:14+0000

11°C because 1+1+1+1=4. 4/4=1.
So you do 3x5=15 which is how much the temperatures over the five days will add up to and then do 15-4 =11°