Question

A certain freezing process requires that room temperature be lowered from 40degree Celsius at the rate of 4degree Celsius per hour. what will be the room temperature after 12 hours of the process begins​

Answer 1

Answer:

-8 degrees Celsius

Step-by-step explanation:

Current temperature =40 degree Celsius

Rate is 4 degrees per hour

Temperature after 12 hours= rate per hour*time in hours

=12*4=48 degrees

Decrease is 48 degrees Celsius

Temperature after 12 hrs= current temperature-decrease

=40-48

therefore the answer is -8 degrees Celsius