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 oriThe 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?
a.-12 - 18
b.-12 - (-18)
c. 18 - 12
d. 18 + (-12) ginal temperature?
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