Dalia is installing a tile floor in a rectangular room. dalia has 152152152 tiles available to tile the room. if each row requires 9\large\frac{1}{2}9 2 1 9, start fraction, 1, divided by, 2, end fraction tiles, and 191919 tiles break while dalia is laying the floor, how many full rows of unbroken tile can she install before running out of tiles?