Question

If a freezing system starts cooling the room at the rate of 8°C per hour. If at the beginning the temperature of the room is 60°C. Find the number of hours it takes to lower down the room temperature to 4°C.​

Answer 1

Answer:It takes 7 hours to lower the temperature to 4 C

Step-by-step explanation: Total change in temperature is (60-4) C =56 C

Rate of decrease of temp per hour is 8 C. So, total time taken to reduce temp by 56 C is 7 hours