Question
The length of rod P is 23 of the length of rod S and the length of rod S is 12 of the length of rod Q and 19 of the length of rod R. What fraction of the total length of the 4 rods is rod Q?
3 m

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The length of rod P is 23 of the length of rod S and the length of rod S is 12 of the length of rod Q and 19 of the length of rod R. What fraction of the total length of the 4 rods is rod Q?