On a frosty January day, the air temperature in the morning was 180 below zero, by lunchtime it warmed
| September 1, 2021 | education
On a frosty January day, the air temperature in the morning was 180 below zero, by lunchtime it warmed by 40C, and by the evening it got 100C colder. What was the air temperature in the evening?
The temperature in the morning was 180C below zero, that is, -180C.
1. By lunchtime, it has warmed by 40C, which means the temperature has become:
-180 + 40 = -140C.
2. By the evening it got 100C colder, which means the temperature has become:
-140 – 100 = -240C.
Answer: The air temperature in the evening became 240C below zero.
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