Question

A certain freezing process requires that room temperature be lowered from 38° C at rate of 5° C every hour. the room temperature after 7 hours begin is....​

Answer 1

Answer:

3°C

Step-by-step explanation:

the present room temperature=38°C

the room temperature decreasing every hour by rate of =5°C

the room temperature after 7 hours will be

=38°C+7(5°C)

=38°C-35°=3°C

after 7 hours in that room will be 3°C