Answer :
Final answer:
The temperature starts at 62 degrees, drops 40 degrees to reach 22 degrees, and drops another 40 degrees to reach -18 degrees by 4 am.
Explanation:
The high temperature today was 62 degrees. When nighttime comes, the temperature will drop 40 degrees. This means the temperature becomes 62 - 40 = 22 degrees. As stated, by morning (or 4 am), the temperature will drop an additional 40 degrees. Subtract this from the nighttime temperature: 22 - 40. This gives a temperature of -18 degrees. Considering this, the temperature at 4 am is -18 degrees.
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