Question
The length of Ribbons F and G is 31.01 m. The length of Ribbons G, H and J is 56.56 m. The total length of Ribbons H, J and K is 78.45 m. Ribbon K is four times the length of Ribbon F. Find the length of Ribbon F. Express the answer in metres.
4 m

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The length of Ribbons F and G is 31.01 m. The length of Ribbons G, H and J is 56.56 m. The total length of Ribbons H, J and K is 78.45 m. Ribbon K is four times the length of Ribbon F. Find the length of Ribbon F. Express the answer in metres.