Question

From 12:00 to 6:00 a.m, the temperature decreased by 12°C. If the original temperature was 12°C, which expression can be used to represent this situation?

A. 12-12
B. 12+12
C. 12-(-12)
D. -12+(-12)
Thank yu :3

Answer 1

A

Explanation:

Temperature decreased by 12°C : (-12°C)

Expression:

12 + (-12) = 12 - 12