Answer: $2250
Explanation:
Given information
Dimension of the room = 20 feet × 15 feet
Cost of tiles = $7.50 / ft²
Derived formula from the given information
Total cost = Floor area × Cost of tiles
Substitute values into the formula
Total cost = Floor area × Cost of tiles
Total cost = (20 × 15) × (7.5)
Simplify by multiplication
Total cost = 300 × (7.5)
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