clc //initialisation of variables w=0.066//ft^3 p=14.7//lb/in^2 w1=14.2//lb/in^2 w2=2780//lb/in^2 g=0.038//lb a=28.9//lb R=w2/w1//for gas R1=93//for air T=273//F V=0.4245//ft^3 //CALCULATIONS\ W=(p*144*w)/(T*R)//lb m=(g-W)//lb gas T2=(V+w)//ft^3 //RESULTS printf('The volume of mixture=% f ft^3',T2)