hello everybody, i'm new here and i have this homework which i don't know how to solve it, please help me: Design the thickness of insulation for steam pipe of: -Pipe diameter 2 in. -Pipe length 200 m. -Saturated steam pressure 10 bar. -Ambient temperature 30°C. -Steam cost $4.5/MMbtu i thought about searching for the material first, but the basic problem is that i don't really know where to start with, i do NOT want you to solve my homework, i just wish if someone tells me where to start with!!