Question

A certain freezing process requires that room temprature to be lowered from 40degreeC at the rate of 5 degreeC per hour.what will be the room temprature 12 hours after the process begins

Answer 1

Answer:

-20

Step-by-step explanation:

5 degree C per hour means in 12 hours it will decrease 60 degree C

final temp will be 40-60=-20 degree C

Answer 2

Answer:

the answer is -20

Step-by-step explanation:

40-60=20