Question

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at 2:00 pm the temperature is 18°f. at 10:00 pm the temperature is - 9°f. what is the change in temperature from 2:00 pm to 10:00 pm?

Explanation:

Step1: Identify initial and final temps

Initial temp = $18^{\circ}F$, final temp = $- 9^{\circ}F$

Step2: Calculate temperature change

Change = Final - Initial = $-9 - 18$

Step3: Perform subtraction

$-9-18=-27$

Answer:

$-27$