Use Cramer's Rule to Solve (If Possible) the System of Equations

Multiple Choice

Use Cramer's Rule to solve (if possible) the system of equations. $\left\{ \begin{array} { r } - 0.4 x + 0.8 y = 1.6 \\0.2 x + 0.3 y = 2.3\end{array} \right.$

A) $\left( - \frac { 34 } { 7 } , - \frac { 31 } { 7 } \right)$
B) $\left( \frac { 34 } { 7 } , \frac { 31 } { 7 } \right)$
C) $\left( \frac { 34 } { 7 } , - \frac { 31 } { 7 } \right)$
D) $\left( \frac { 31 } { 7 } , \frac { 34 } { 7 } \right)$
E) $\left( - \frac { 34 } { 7 } , \frac { 31 } { 7 } \right)$