Rouhi wants to distribute 123 cookies equally among 15 of her friends.Use the rules of divisibility and check whether she will be able to do so.
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No it can’t be divided as 15 ‘s divisibility is 3x5
3’s divisibility is the sun of the numbers should be a multiple of 3 = 1+ 2 + 3 = 6 ok
5’s divisibility is it should end with five - 123 didn’t end with 5
It doesn’t completely satisfy the conditions required so it can’t be divisible
3’s divisibility is the sun of the numbers should be a multiple of 3 = 1+ 2 + 3 = 6 ok
5’s divisibility is it should end with five - 123 didn’t end with 5
It doesn’t completely satisfy the conditions required so it can’t be divisible
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