Question

A certain freezing process requires the room temperature be lowered for 45 degree Celsius at the rate of 5 degree celsius per hour . Than .. will be the room temperature 12 hours after the process begins .  
 A : -15 
 B : 15 
C : 60  
D : none of these​

Answer 1

Answer:

A:-15

Step-by-step explanation:

1hour=5 degree

12hours=12×5=60 degree

45-60

=-15