clc; gp=200; //gauge pressure in lb/in square atmp=15; //atmospheric pressure in lb/in square p1=gp+atmp; //pressure in lb/in square v1=3; //volume in ft cube p2=15; //pressure at sea-level in lb/in square v2=(p1*v1)/p2; //calculating pressure in ft cube using Boyle's law ie. p1*v1=p2*v2 at constant temperature disp(v2,"Volume occupied in ft cube = "); //displaying result.