Question

A certain freezing process requires that room temperature to be lowered from 60°c at the rate of 8°c every hour. What will be the room temperature 8 hours after the process begins.

Answer 1

temparature lowered every hour = 8°

temparature after 8 hours = (8×8)°= 48°

hence, temparature after 8 hours will be-

(60-48)°c

12°c (Ans).

hope it helps