The formula for the volume of a regular dodecahedron is (v ≈ 7.66l³), where (l) is the length of an edge. The volume of the dodecahedron is 20 cubic feet. Estimate the edge length to the nearest hundredth of a foot.
a) 1.52 feet
b) 2.44 feet
c) 1.87 feet
d) 3.20 feet