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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?

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carlosego
For this case we have.
 "Dalia has 152 tiles available to tile the room"
 "19 tiles break while Dalia is laying the floor,"
 So:
 152-19 = 133 tiles available.
 Then,
 "If each row requires 9 1/2 tiles"
 We have then that the number of rows is:
 N = 133 / (9 1/2)
 N = 14 rows
 Answer:
 she can install 14 full rows of unbroken tile before running out of tiles

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