Question

Yesterday the temperature at noon was 28.8°F. By midnight, it had dropped by 30.9°F. What was the temperature at midnight?

Answer 1

Answer: -2.1°F

The correct answer is -2.1°F. You do this by simply subtracting 28.8 by 30.9. When doing this, you get -2.1. So the temperature at midnight was -2.1°F.

Explanation:

Hope this helps =)

Answer 2

-2.1°F

Explanation:

We will subtract 28.8°F from 30.9°F and then reverse our answer.

30.9°F - 28.8°F = 2.1°F

= -2.1°F.