16.3k views
2 votes
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?

User Metahamza
by
8.2k points

1 Answer

0 votes

Answer:

It went down 5.5°C a minute.

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.

User Aakash Anuj
by
8.6k points
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