# Math

How many 1/2 sq ft tiles to cover a desk that is 5 1/2 ft long and 3 1/2 ft wide?

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1. Start by calculating the area of the desk. Area of a rectangle is base x height, 5.5 * 3.5 = 19.25 ft^2. Now calculate the area of the tile: .5 * .5 = .25 ft^2. To figure out how many tiles can fit, divide the area of the desk by the area of one tile: 19.25 / .25 = 77 tiles.

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posted by Alex

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