The temperature at 2:00 a. m. was - 12°. At noon, the temperature had risen 16°. At 4:00 p. m., the temperature had dropped 8°. What is the temperature at 4:00 p. m.?

The temperature at 4:00 p. m. was - 4°

Explanation

The temperature at 2:00 a. m. was - 12° and at noon, the temperature had risen 16°.

So, the temperature at noon was = (-12° + 16°) = 4°

Now at 4:00 p. m., the temperature had dropped 8°

So, the temperature at 4:00 p. m. was = (4° - 8°) = - 4°