A cube and a rectangular solid are equal in volume. If the lengths of the edges of the rectangular solid are 4, 8 and 16, what is the length of an edge of the cube?

(A) 4
(B) 8
(C) 12
(D) 16
(E) 64

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V=4*8*16
=2^2*2^3*2^4=2^9
Vcub=küpkök2^9=2^3=8
B