At 3 p.m. the temperature was 9° F by 11p.m., it had dropped 31°F. What was the temperature at 11 p.m.?

Answer 1

9 - 31

9 + (-31)

take the difference -22 degrees.

Answer 2

9-31

9+(-31)

Take the difference -22 degrees

Answer 3

At 3 p.m. the temperature was 9° F by 11p.m., it had dropped 31°F. What was the temperature
9 - 31
9 + (-31)

take the difference -22 degrees.