Question

8. The temperature of a room is 4°C and outside
temperature is 30°C. If the temperature of the
room increases at the rate of 4°C per 30 minutes,
how much time will it take to reach the outside
temperature?

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Answer 1

Answer:

In an effort to promote energy efficiency in air conditioning, the government may issue an advisory to all AC manufacturers and commercial buildings to keep the default temperature setting at 24 degrees Celsius.Jun 28, 2018

Answer 2

Answer:

3 hours and 15 minutes

Step-by-step explanation:

Initial temperature= 4°C

Target temperature= 30°C

Increase rate= 4°C  per 30 min = 8°C per hour

Temp difference= 30°C -4°C = 26°C  

Time needed= 26°C /8°C per hour= 3 1/4 hours = 3 hours and 15 minutes