A builder chooses between 4-in tiles and 16-in tiles. Describe how many more tiles will the builder have to grout if she chooses the 4-in tiles
Imagine 4-inch tiles laid out on top of a 16-inch square tile. There would be 4 rows of 4-inch squares, with 4 tiles in each row. Each 4-inch square tile has an area of 16 square inches (4 x 4), each row of 4-inch...
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