Chemical Kinetics

Consider the reaction given below

\(A+2 B \longrightarrow 3 C+2 D\)

If rate of disappearance of $B$ is $x \times 10^{-2} \mathrm{~mol} \mathrm{~L}^{-1} \mathrm{~s}^{-1}$, the ratio of rate of reaction and rate of appearance of $C$ is