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30 January, 16:39

Karen is waiting for a pot of soup to cool

off before serving it. After 4 min the

soup has cooled from 100°C to 78°C.

What was the average change in

temperature each minute?

+3
Answers (1)
  1. 30 January, 16:54
    0
    It went down 5.5°C a minute.

    Step-by-step explanation:

    You have to look for the difference of 100 and 78, which is 22.

    Divide the difference with the minutes (4), equalling 5.5.
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