msbennett msbennett

21-09-2016
Mathematics

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An artist is arranging tiles in rows to decorate a wall. Each new row has 2 fewer tiles than the row below it. If the first row has 23 tiles,how many tiles will be in the seventh row

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TheOracle1 TheOracle1

21-09-2016

22, 20, 18, 16, 14, 12, 10 ... so 10

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mariela96andrade mariela96andrade

21-09-2016

11 tiles will be in the seventh row

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