Question
The length of metallic rod U is 45 of the length of metallic rod X and the length of metallic rod X is 13 of the length of metallic rod V and 13 of the length of metallic rod W. What fraction of the total length of the 4 metallic rods is metallic rod W?
3 m

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The length of metallic rod U is 45 of the length of metallic rod X and the length of metallic rod X is 13 of the length of metallic rod V and 13 of the length of metallic rod W. What fraction of the total length of the 4 metallic rods is metallic rod W?