At midnight the temperature was –3°F. By 5:00 a.m. the temperature had fallen by 12°F.

What was the temperature at 5:00 a.m.?

A.
–15°F

B.
–9°F

C.
9°F

D.
15°F Which is the answer?

Question

At midnight the temperature was –3°F. By 5:00 a.m. the temperature had fallen by 12°F. 

What was the temperature at 5:00 a.m.?
 
 A.
–15°F
 
 B.
–9°F
 
 C.
9°F
 
 D.
15°F                                                                                  Which is the answer?

anonymous · Answer

Since its fallen... I'm thinking 15 positive since you usually add in this type of problem I think.

anonymous · Answer

$$(-3) - 12 = -15$$
A. -15

anonymous · Answer

Oh thanks I forgot the way to do it like that thanks! :D

anonymous · Answer

You're welcome! Glad I could help. :o)