Question

At sunrise, the temperature was –10.5°C. During the day, the temperature rose 5.2°C and then fell 3.6°C. What was the final temperature?

Answer 1

it started at -10.5 then rose 5.2

 -10.5 +5.2 = -5.3

then fell 3.6

-5.3 - 3.6 = -8.9

 so it was -8.9 degrees Celcius