Question

One morning in Atlanta, Tina observed that the temperature was 72 degrees. Later the temperature rose 21 degrees and then dropped 11 degrees. She then flew to New York where the temperature was 67 degrees.
What was the change in temperature from when Tina left Atlanta and arrived in New York?

Answer 1

well, it went from 72+21-11 = 82 to 67
what change is that?

Answer 2

Its 72 + 21 - 11 = 82 - 67 = 15! Theres your answer you must subtract the 82 and the 67.

Answer 3

I need help