Question
The length of Wires S and T is 31.63 m. The length of Wires T, U and V is 55.64 m. The total length of Wires U, V and W is 78.41 m. Wire W is thrice the length of Wire S. Find the length of Wire W. Express the answer in metres.
4 m

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The length of Wires S and T is 31.63 m. The length of Wires T, U and V is 55.64 m. The total length of Wires U, V and W is 78.41 m. Wire W is thrice the length of Wire S. Find the length of Wire W. Express the answer in metres.