The formula $s=\sqrt{\frac{S A}{6}}$ gives the length of the side, $s$, of a cube with a surface area, $S A$. How much longer is the side of a cube with a surface area of 180 square meters than a cube with the surface area of 120 square meters?
A$\sqrt{30}-4 \sqrt{5} m$
B$\sqrt{30}-2 \sqrt{5} m$
C$\sqrt{10} m$
D$2 \sqrt{15} m$
A$\sqrt{30}-4 \sqrt{5} m$
B$\sqrt{30}-2 \sqrt{5} m$
C$\sqrt{10} m$
D$2 \sqrt{15} m$