Question
The length of stainless steel pipe Q is 23 of the length of stainless steel pipe T and the length of stainless steel pipe T is 25 of the length of stainless steel pipe R and 25 of the length of stainless steel pipe S. What fraction of the total length of the 4 stainless steel pipes is stainless steel pipe R?
3 m

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The length of stainless steel pipe Q is 23 of the length of stainless steel pipe T and the length of stainless steel pipe T is 25 of the length of stainless steel pipe R and 25 of the length of stainless steel pipe S. What fraction of the total length of the 4 stainless steel pipes is stainless steel pipe R?