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?
Negative 12 minus 18
Negative 12 minus (negative 18)
18 minus 12
18 + (negative 12)
Answers: 1
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The temperature of a freezer started at 18ºC. After cooling for a few hours, the freezer had a tempe...
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