Question

at 2pm, the temperature was 15 degrees. by midnight, the temperature dropped by 30 degrees. what is the temperature at midnight? -45 degrees -15 degrees 15 degrees 45 degrees

Explanation:

Step1: Identify initial and change

Initial temp: \( 15^\circ \), drop: \( 30^\circ \) (subtract).

Step2: Calculate midnight temp

\( 15 - 30 = -15 \) degrees.

Answer:

-15 degrees (corresponding to the option " -15 degrees")