Question
The length of metallic rod Q is 45 of the length of metallic rod T and the length of metallic rod T is 14 of the length of metallic rod R and 15 of the length of metallic rod S. What fraction of the total length of the 4 metallic rods is metallic rod R?
3 m

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The length of metallic rod Q is 45 of the length of metallic rod T and the length of metallic rod T is 14 of the length of metallic rod R and 15 of the length of metallic rod S. What fraction of the total length of the 4 metallic rods is metallic rod R?