A composite wire to be used as an integral component of a switch in an electrical device is composed of wire A and wire B. The wire has effective linear expansion coefficient of 0.000020 per Celsius-degree. What percentage of the total length of the composite wire is wire B? The linear expansion coefficient of wire A is 0.000011 per Celsius-degree. The linear expansion coefficient of wire B is 0.000034 per Celsius-degree.

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