Question

A CERTAIN FREEZING PROCESS THAT ROOM TEMPERATURE WILL BE LOWERED FROM 4O 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

the room temperature after 10 hours will be -10degree Celsius

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Answer 2

Intial temperature=40degree celsius
1hour=35 celsius
2hour=30 celsius
3hour=25 celsius
4hour=20 celsius
5hour=15 celsius
6hour=10 celsius
7hour=5   celsius
8hour=0   celcius  
9hour=-5  celcius
10hour=-10 celsius 
the temperature after 10 hours after the process begins=-10 degree celsius