Question
Riordan walked around a rectangular field from M to N to P and to Q. He covered a distance of 581 m. The length of the field is thrice the breadth. If it cost $7 to put up a fence of 1 m, how much would it cost to fence around the whole field?
3 m

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Riordan walked around a rectangular field from M to N to P and to Q. He covered a distance of 581 m. The length of the field is thrice the breadth. If it cost $7 to put up a fence of 1 m, how much would it cost to fence around the whole field?