Question
The length of rod N is 45 of the length of rod R and the length of rod R is 13 of the length of rod P and 12 of the length of rod Q. What fraction of the total length of the 4 rods is rod Q?
3 m

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The length of rod N is 45 of the length of rod R and the length of rod R is 13 of the length of rod P and 12 of the length of rod Q. What fraction of the total length of the 4 rods is rod Q?