Length and breadth of the floor of a room are 5m and 3m, respectively. forty tiles, each with area 1 16 m2 are used to cover the floor partially. Find the ratio of the tiled and the non-tiled portion of the floor. 89. A carpenter had a board which measured 3m × 2m. She cut out a rectangular piece of 250cm × 90cm. What is the ratio of the area of a cut-out piece and the remaining piece?
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