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an artist is arranging tiles in rows to decorate a wall each new row has two fewer tiles in the row below it if the first row has 23 tiles how many tiles will be in the seventh row?
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an artist is arranging tiles in rows to decorate a wall each new row has two fewer tiles in the row below it if the first row has 23 tiles how many tiles will be in the seventh row?

User Edeline
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12 tiles will be in the seventh row
User Jeff Erickson
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