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at 7 p.m. last night, the temperature was 10 degree. at 7 a.m. the next morning the temperature was -2 degree. By how much did the temperature change from 7 p.m. to 7 a.m.? By how much did it changed each
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at 7 p.m. last night, the temperature was 10 degree. at 7 a.m. the next morning the temperature was -2 degree. By how much did the temperature change from 7 p.m. to 7 a.m.? By how much did it changed each hour?

User Danyl Semmache
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2 Answers

3 votes
Change in temperature = -2 - 10 = -12 degrees

rate of change per hour = -12 / 12 = -1 degree.
User Walking
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5 votes
The temperature changed by 12 degrees in 12 hours meaning one degree per hour.
User Arek Holko
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7.6k points
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