The two wires $$A$$ and $$B$$ of equal cross-section but of different materials are joined together. The ratio of Young's modulus of wire $$A$$ and wire $$B$$ is 20/11. When the joined wire is kept under certain tension the elongations in the wires $$A$$ and $$B$$ are equal. If the length of wire $$A$$ is 2.2 m, then the length of wire $$B$$ is _______ m.

A

1.1

B

2.22

C

1.21

D

4.44