The temperature at 12 noon was 10°C above zero. If it decreases at the rate of 2°C per hour until midnight, at what time would the temperature be 8°C below zero? What would be the temperature at mid-night?

The answer to your question is a) 21:00 b) - 14°C

Step-by-step 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