Question
The length of Strings B and C is 31.28 m. The length of Strings C, D and E is 55.73 m. The total length of Strings D, E and F is 65.28 m. String F is twice the length of String B. Find the length of String F. Express the answer in metres.
4 m

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The length of Strings B and C is 31.28 m. The length of Strings C, D and E is 55.73 m. The total length of Strings D, E and F is 65.28 m. String F is twice the length of String B. Find the length of String F. Express the answer in metres.