The temperature at 12 noon was 10^@C abo...

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 `8^0` below zero? What would be the temperature at midnight?

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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 8^0 C below zero? What would be the temperature at midnight?

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