Question Statement:
Using Muskingum routing coefficients $C_0 = 0.1$, $C_1 = 0.4$, and $C_2 = 0.5$, given $I_1 = 20\text{ m}^3/\text{s}$, $I_2 = 30\text{ m}^3/\text{s}$, and $O_1 = 22\text{ m}^3/\text{s}$, outflow $O_2 = C_0 I_2 + C_1 I_1 + C_2 O_1$ in $\text{m}^3/\text{s}$ is: