Question

an A.C. cools the room at the rate of 5°C pre hour . what would be the final temperature of the room after 6 hour , if the initial temperature of the room is 40°C?​

Answer 1

Answer:

10 °C

Step-by-step explanation:

cools means decreasing the temperature

decreasing means -ve integer

= -5

after 6 hours it will be reduced 6 × -5 = -30

after 6 hours the temperature will be 40+(-30)

as we know + × - = - , so it will become 40 -30=10°C

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