Question

In the manufacturing process the temperature of the freezer is lowering from 20degree C a the rate of 5degree C per hour. what will be its temperature after 7hours ​

Answer 1

Answer:

friend here is your answer

Step-by-step explanation:

temperature-20 degree C

rate of increase temperature per hour-5degree C

temperature after 7 hours- 5*7=35

total temperature-20+35=55 degree C

Answer 2

Answer:

Temperature of freezer is lowering from 20 degree C= -20 degree C

Rate of increase temperature per hour = -5 degree C

After 7 hours -5×7=-35

Temperature =(-35)+(-20)

= -35-20

= -15 degree C