Question
The length of metallic rod R is 34 of the length of metallic rod U and the length of metallic rod U is 13 of the length of metallic rod S and 12 of the length of metallic rod T. What fraction of the total length of the 4 metallic rods is metallic rod S?
3 m

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The length of metallic rod R is 34 of the length of metallic rod U and the length of metallic rod U is 13 of the length of metallic rod S and 12 of the length of metallic rod T. What fraction of the total length of the 4 metallic rods is metallic rod S?