Question
The figure shows a rectangle LMNP. The lines are extended from point L, M, N and P and they meet at point R. The length of NP is 30 m. Given that the area of triangle LRP is 70 m2 and the area of triangle MRN is 143 m2, find the breadth of the rectangle in mixed number.
4 m

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The figure shows a rectangle LMNP. The lines are extended from point L, M, N and P and they meet at point R. The length of NP is 30 m. Given that the area of triangle LRP is 70 m2 and the area of triangle MRN is 143 m2, find the breadth of the rectangle in mixed number.