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1 vote
The temperature of a freezer started at 18ºC. After cooling for a few hours, the freezer had a temperature of –12ºC. What is the difference between the new, colder temperature and the original temperature?

User Berhir
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2 Answers

3 votes

Answer:

-12-18

Explanation:

User David Andersson
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7 votes
18* is 18 above 0. -12* is 12 below 0.
So add: 18+12=X. The difference in temperature is X :)
User Robinmag
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