clc;
//Example 11.2
//Page no. 113
printf("Example 11.2-Page no.113\n\n")
//given
//Pressure(P),Temp.(T),Molecular wt. of gas(M)
P=1//atm
T_d=60//degree F
M=29//gram
//Gas constant R
R=.73
T=T_d+460//  rankin
//density of gaS
rho=(P*M)/(R*T)
printf("density of gas rho =%flb/ft^3",rho)