Question

Q4. A certain freezing process requires that room temperature be lowered from 30degree Celsius at the rate of 4 degree Celsius every hour. What will be the room temperature 15hours after the process begins?​

Answer 1

Answer:

-30

Step-by-step explanation:

in one hour temperature drop is 4 degree

for 15 hours it will be 15*4=60°

now

old temp - decrease in temp = new temp

30-60 = -30°