Math, asked by 6995, 8 months ago

The mean temperature for the first 4 days in January was 7°C.
The mean temperature for the first 5 days in January was 9°C.
What was the temperature on the 5th day?

Answers

Answered by arpitgodzilla990
1

Step-by-step explanation:

So 9+9+9+9=36 / 4 = 9. So that's the first 4 days. Then the 5th day, the mean dropped to 7°C so that means the temperature dropped. -1 is your answer and you can check this by doing 9+9+9+9+(-1) = 35 / 5 = 7°C.

Answered by ugiewfwefjkwjfb
0

Answer:

So 9+9+9+9=36 / 4 = 9. So that's the first 4 days. Then the 5th day, the mean dropped to 7°C so that means the temperature dropped. -1 is your answer and you can check this by doing 9+9+9+9+(-1) = 35 / 5 = 7°C.

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