Question
The length of stainless steel pipe R is 12 of the length of stainless steel pipe U and the length of stainless steel pipe U is 12 of the length of stainless steel pipe S and 17 of the length of stainless steel pipe T. What fraction of the total length of the 4 stainless steel pipes is stainless steel pipe T?
3 m

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The length of stainless steel pipe R is 12 of the length of stainless steel pipe U and the length of stainless steel pipe U is 12 of the length of stainless steel pipe S and 17 of the length of stainless steel pipe T. What fraction of the total length of the 4 stainless steel pipes is stainless steel pipe T?