$$\begin{array} { r }
A C B \\
+ \quad A C \\
\hline 3 B C
\end{array}$$ According to this operation, what is the product $A \cdot C$? A) 12 B) 14 C) 15 D) 16 E) 21
$$\begin{array} { r }
A C B \\
+ \quad A C \\
\hline 3 B C
\end{array}$$
According to this operation, what is the product $A \cdot C$?\\
A) 12\\
B) 14\\
C) 15\\
D) 16\\
E) 21