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An art gallery has 18 paintings and 4 photographs displayed in equal rows on a wall, with the same number of each type of art in each row. What could be the number of rows??

An art gallery has 18 paintings and 4 photographs displayed in equal rows on a wall, with the same number of each type of art in each row. What could be the number of rows??
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An art gallery has 18 paintings and 4 photographs displayed in equal rows on a wall, with the same number of each type of art in each row. What could be the number of rows??

User Zeynep
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The paintings and photographs can be sorted into rows of two.18/2=9, so there would be 9 rows each with two paintings. 4/2=2, so there would be 2 rows with 4 photos. 9+2=11 rows in all :)
User Ihor
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