Question

A process in pharmaceuticals requires the room temperature to be lowered from 28°c at the rate of 4°c per hour .what would be the room temperature attained in 9 hours after the process has begun ?​

Answer 1

Step-by-step explanation:

1 hr = 4° c

9 hr = 36 ° c

so the current tempertaur is 28- 36

= -8 c

Answer 2

Step-by-step explanation:

Room temperature after 9 hours = 28°C - (4°C * 9)

= 28°C - 36°C

= - 8°C