Question

PLEASE HELP

At midnight, the outside temperature was –12⁰. By 6:00
a. m. the outside temperature had dropped 6⁰.
What was the outside temperature at 6:00
a. m.?
a. –18⁰
b. –6⁰
c. 6⁰
d. 18⁰

Answer 1

If you use/make a number line, then you will see that the answer is -18 or a. When using a number line, negative = ← and positive = →.