Problema Solution
at sunrise the outside temperature was 1 below zero by lunch time the temperature rose by 17 and then fell by 4 by night what was the temperature at the end of the day ?
Answer provided by our tutors
-1 below zero is added to 17 as the temperature rises and then subtracted by 4 as the night cools:
-1+17-4
12
The temperature at the end of the day would be 12.