Question 12
In the figure below, each distinct letter represents a unique distinct digit such that the arithmetic holds. If the letter K represents $6$, what number does SHAKE represent?
$$\begin{array}{rrrrrr}&S&H&A&K&E\\+&S&H&A&K&E\\\hline R&A&T&T&L&E\end{array}$$
$$\begin{array}{rrrrrr}&S&H&A&K&E\\+&S&H&A&K&E\\\hline R&A&T&T&L&E\end{array}$$