Question

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

Answer 1

looking for a common factor

18 : 1, 2, 9, 18

4: 1, 2, 4

so the rows would be 2 rows and their would be 2 photographs and 9 paintings in each