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 which of the following could be the number of rows

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04-02-2016
Mathematics

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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 which of the following could be the number of rows

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rhegaaan rhegaaan · Answer 1 · 2016-02-05T00:15:48+01:00

So if there are 18 paintings and 4 photographs, then they need to be divided evenly into equal groups/rows.
18÷2=9
4÷2=2

A. 2 rows can be possible with 9 paintings and 2 photographs in each row.
B. 3 rows are not possible because none of the numbers can be divided by three.
C. 4 rows cannot be possible. While 4 can be divided by 4, 18 cannot.
D. 6 rows cannot be possible because the only number that can be divided by 6 is 18, which would be three. 4 is not divisible by 6.

You were right, the answer is A. with each row containing 9 paintings and 2 photographs!

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