Question
The length of metallic rod W is 45 of the length of metallic rod Z and the length of metallic rod Z is 15 of the length of metallic rod X and 14 of the length of metallic rod Y. What fraction of the total length of the 4 metallic rods is metallic rod Y?
3 m

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The length of metallic rod W is 45 of the length of metallic rod Z and the length of metallic rod Z is 15 of the length of metallic rod X and 14 of the length of metallic rod Y. What fraction of the total length of the 4 metallic rods is metallic rod Y?