Jamie wants to put tiles on the walls and floor of his room (but not on the ceiling). The length of his room is 10 feet, the width is 14 feet, and the height is 12 feet. If each tile is 1 foot long and 1 foot wide, how many tiles will Jamie need? 856 716 348 168

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Find surface area of all sides of his room. (base and the 4 walls.)  Base is 140 sq ft.  two walls are 168 sq ft each the other two are 120 sq ft each.  336+240+140=716

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