Question
The length of Ribbons E and F is 30.67 m. The length of Ribbons F, G and H is 58.18 m. The total length of Ribbons G, H and J is 60.79 m. Ribbon J is thrice the length of Ribbon E. Find the length of Ribbon E. Express the answer in metres.
4 m

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The length of Ribbons E and F is 30.67 m. The length of Ribbons F, G and H is 58.18 m. The total length of Ribbons G, H and J is 60.79 m. Ribbon J is thrice the length of Ribbon E. Find the length of Ribbon E. Express the answer in metres.