Final answer:
To find the temperature at noon before it dropped by 25.8°F to reach -13.4°F at midnight, we add the temperature drop to the midnight temperature, resulting in a noon temperature of 12.4°F.
Step-by-step explanation:
The question asks us to calculate the temperature at noon given that there was a temperature drop of 25.8°F from noon to midnight, where the final temperature was -13.4°F at midnight.
To find the temperature at noon, we need to add the amount it dropped to the final temperature:
-13.4°F + 25.8°F = 12.4°F
Therefore, the temperature at noon was 12.4°F.