The temperature decreased overnight by 15.2°c to a temperature of –12.8°c. suppose t represents the temperature before it decreased.

which equation can be used to represent this situation?

a.
t – 15.2 = –12.8

b.
t + 12.8 = –15.2

c.
t – 12.8 = 15.2

d.
t – (–15.2) = –12.8