Question
The length of copper pipe R is 23 of the length of copper pipe U and the length of copper pipe U is 15 of the length of copper pipe S and 14 of the length of copper pipe T. What fraction of the total length of the 4 copper pipes is copper pipe T?
3 m

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The length of copper pipe R is 23 of the length of copper pipe U and the length of copper pipe U is 15 of the length of copper pipe S and 14 of the length of copper pipe T. What fraction of the total length of the 4 copper pipes is copper pipe T?