Question

The temperature at 12 noon was 15°C above zero. If it decreases at the rate of 3°C per hour until midnight. At what time the temperature would be 3?

Answer 1

Step-by-step explanation:

Room Temperature - 15°C

Temperature decreased per hour - 3°C

Temperature decreased in 3 hours - 3×3

- 9°C

Temperature after 3 hours - 15°C-9°C

- Temperature after 3 hours = 6°C