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a0 Per m. A 115-m-long and 64-m-broad lawn has two roads at right angles, one 2 m wide.12parallel to its length, and the other 2.5 m wide, running parallel to ts breadcost of gravelling the roads at 60 per m2.13. A rectangular field is 50 m by 40 m. It has two roads through its centre, running parallel toits sides. The width of the longer and the shorter roads are 2 m and 2.5-m-respectively.Find the area of the roads and the area of the remaining portion of the field

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