Answer:
The answer to your question is a) 21:00 b) -14°C
Explanation:
Data
Temperature at noon = 10°C
rate = 2°C/hour
a) Do a chart to solve this problem
Time Temperature
12:00 10°C
13:00 8°C
14:00 6°C
15:00 4°C
16:00 2°C
17:00 0°C
18:00 -2°C
19:00 -4°C
20:00 -6°C
21:00 -8°C
b)
22:00 -10°C
23:00 -12°C
24:00 -14°C