Question

A college dormitory room measures 10 feet wide by 12 feet long by 8 feet high. Weight density of air is 0.07 lbs/ft3. What is the weight of air in it under normal conditions?

Answer 1

10 x 12 x 8 = 960 cubic feet

960 x .07 = 67.2 lbs

Answer is 67.2 lbs