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
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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
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