Question

The temperature of a room is 12°C. By reducing
temperature at equal rate per hour, the
temperature of that room becomes - 4°C after 8
hours. Find the rate of decrease of temperature
per hour of that room.​

Answer 1

Answer:

2°C/hr

Step-by-step explanation:

tempereture of room is 12°C

time=8 hr

the temperature of the room after8 hr is -4°C

difference=16°C

now

rate = difrance/time =16/8=2

the rate of decreasing temprature is 2°C/hr