Question

4 at 11:00 p.m., the temperature in alaska was $-5\\ ^\circ$. four hours earlier, the temperature was $40^\circ$ warmer. what was the temperature at 7:00 p.m.?
a $-45^\circ$
b $-20^\circ$
c $35^\circ$
d $45^\circ$

Explanation:

Step1: Define known values

11:00 p.m. temp: $-5^\circ$, warmer means add $40^\circ$

Step2: Calculate 7:00 p.m. temp

$ -5 + 40 = 35 $

Answer:

C. $35^\circ$