Question

The temperature at 12 noon at a certain place was 18°C above zero. If it decreases at the rate
of 3°C per hour at what time it would be 12°C below zero?
(a) 12 mid night
(b) 12 noon
(c) 10 am
(d) 10pm​

Answer 1

Answer:

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Answer 2

Answer:

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