The Distance Between the Parallel Planes $- 4 x + y + z = 4$

Multiple Choice

The distance between the parallel planes $- 4 x + y + z = 4$ and $- 4 x + y + z = - 1$ is

A) $\frac { 3 \sqrt { 11 } } { 2 }$
B) $\frac { 3 \sqrt { 7 } } { 2 }$
C) $\frac { 3 \sqrt { 5 } } { 2 }$
D) $\frac { 3 \sqrt { 3 } } { 2 }$
E) $\frac { 5 \sqrt { 2 } } { 6 }$