The number of tiles with a length of 0.15 meters that would be needed by Hassan to place along the edge of the counter is: 20 tiles.
The tile's length is the longer side of a tile depending on the shape of the tile.
The length of the given tile is, 0.15 meter.
Length of the edge of he counter = 3 meters.
Number of tiles Hassan needs = 3/0.15
Number of tiles Hassan needs = 20 tiles.
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