Question

The temperature at 12 noon was 10°C above zero. If it decreases at the rate of
20°C per hour until midnight, at what time would the temperature be 8°C
below zero? What would be the temperature at mid-night?​

Answer 1

Answer:

The temperature is 8°c below zero 9:00pm thus the temperature at midnight is 14°c below zero. It decrease at 2° hours. Change in temperature =10 - (-8) =18°c

Answer 2

Answer:

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