Question

A freezing system starts cooling a room at the rate of 4°C per hour. If at the
beginning, the temperature of the room is 30°C, find the number of hours it
will take to lower down the room temperature to -2°C.

Answer 1

Answer:

The answer is 8 hrs

Step-by-step explanation:

First subtract -2 from 30 the answer would be 32

Now divide it by 4 you get 8 hrs