Answer:
66 degrees
Step-by-step explanation:
First find the difference between the two values 96 and 78. 2 pm go 8 pm is 6 hours. There is a 18 degree change between 2pm and 8 pm. 18/6 = 3. So the rate of change is 3 or -3 every hour
78 degrees at 8 pm. 4 more hours till 12pm. -3 change per hour
4x-3 = -12
78+-12 = 66