Question

The temperature at 12 noon was 17 degree Celsius above zero. If it decreases at the rate of 2 degree Celsius per our until midnight, at what time would the temperature be three degree Celsius below zero?

Answer 1

10 pm (I think so) not sure

Answer 2

If the temperature is above 0 degree means temp at 12noon was 17 degree Celsius
If temperature decreased to mid night per 2 degree Celsius means temperature total was 24 degree

Answer is -7degree