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storchak [24]
3 years ago
8

HELP. WILL MARK BRAINLIEST TO THE BEST ANSWER.

Mathematics
1 answer:
Kay [80]3 years ago
6 0

Answer:

30 degrees Celsius

Step-by-step explanation:

Assuming that 21 is the average for the hottest month and -9 is the average for the coldest month, you subtract them to find the difference. 21-(-9)= 30

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