Question

At noon the outside temperature was –5°F. By 4 p.m. the same day, the temperature had dropped 13°F. What was the outside temperature at 4 p.m.? At 4 p.m. the outside temperature was °F.

Answer 1

the temperature turned to -18°F
-5-13=-18

Answer 2

-5 + (-13) = -18ºF
Good luck!