Solve the below problem:
Q: Heat is transferred steadily through a 0.2-m thick 8 m X 4 m wall at a rate of 1.6 kW. The inner and outer surface temperatures of the wall are measured to be 15°C to 5°C. The average thermal conductivity of the wall is. You should solve the problem step by step.You must include all the units which are needed to solve the given problem.