Step 1: Given data
Fairbanks temperature - -27 degrees
Phoenic temperature is 100 warmer than Fairbanks temperature
Step 2: Find the temperature of Phoenix.
Since the temperature of Phoenix is 100 warmer than that of Fairbank, then you will add 100 to the temperature of Fairbank.
Step 3: Final answer
The temperature of Fairbank = -27 + 100
= 73 degrees