Question

a certain freezing process requires that the room temperature be lowered from 40 degree Celsius at the rate of 5 degree Celsius every hour. What will be the room temperature 10 hours after the process begins

Answer 1

1 hour -35
2hr-30
3hr-25
4hr-20
5hr-15
6hr-10
7hr-5
8hr-0
9hr- -5
10hr - -10