Question

The temperature at 12 noon was 10°C above zero. If it decreases at the rate of 2°C per hour
until midnight.
(i) At what time would the temperature be −8°C?
(ii) What would be the temperature at mid-night?
(iii) At what time would the temperature be 0°C?'

Answer 1

Answer:

(i) at 9:00 pm it would be -8 degrees

(ii) -14 degrees at midnight

(iii)at 5 pm it would be o degrees

Answer 2

Answer:

i) 9 pm

ii) -14 C

iii) 5 pm