Question
The length of Strings M and N is 30.46 m. The length of Strings N, P and Q is 56.54 m. The total length of Strings P, Q and R is 71.56 m. String R is thrice the length of String M. Find the length of String R. Express the answer in metres.
4 m

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The length of Strings M and N is 30.46 m. The length of Strings N, P and Q is 56.54 m. The total length of Strings P, Q and R is 71.56 m. String R is thrice the length of String M. Find the length of String R. Express the answer in metres.