Question
The length of Threads M and N is 33.96 m. The length of Threads N, P and Q is 58.69 m. The total length of Threads P, Q and R is 66.13 m. Thread R is thrice the length of Thread M. Find the length of Thread M. Express the answer in metres.
4 m

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The length of Threads M and N is 33.96 m. The length of Threads N, P and Q is 58.69 m. The total length of Threads P, Q and R is 66.13 m. Thread R is thrice the length of Thread M. Find the length of Thread M. Express the answer in metres.