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The cost of tiling the floor of a rectangular room at the rate Rs. 85 per square foot is Rs.7480. The length of rectangular room is equal to the length of a square room whose area is 256 square foot. What is the breadth of the rectangular room ?
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Explanation:
Area of the floor of rectangular room
= Total cost \Cost per square foot
= 7480\85 = 88 sq.foot
Side of square room
= √Area= √256= 16 foot
= Length of rectangular room
∴ Breadth of rectangular room
= Area\Length = 88\16 = 5.5 foot