At sunset on Sunday, the temperature in Fairbank, Alaska was 7∘F. Part A: By Midnight, the temperature decreased by 16.9∘F.

What was the temperature in Fairbank, Alaska at midnight? (10 points)

Part B: At sunset , the temperature in Grand Forks, North Dakota on the same day was 3 times warmer than it was at the time in Fairbank, Alaska.

What was the temperature in Grand Forks, North Dakota at sunset?
(10 points)