The temperature on Wednesday at 5:00 p.m. was 15°F. In the following 12 hours, the temperature dropped 22°F. The temperature on Thursday at 5:00 p.m. was 27°F.

Part A: What was the temperature on Thursday at 5:00 a.m.? Explain or show how you got your answer.

The temperature on Thursday at 5:00 a.m. was_______.

Part B: By how much did the temperature increase on Thursday between 5:00 a.m. and 5:00 p.m.? Explain or show how you got your answer.

The temperature increased _______ degrees on Thursday between 5:00 a.m. and 5:00 p.m.