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Celina has 4 glass ornaments blue Orange pink and purple. How many ways can she hang them in a row so that the blue and pink ornaments aren't touching

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Hello01
I don't know if this will make since to you but, since there are 4 ornaments take 4 times 4 and get 16, but since the blue at pink can't touch take away 2 possible ways 16 minus 2 equals 14. 14 Ways
Since there are 4 ornaments take 4 times 4 and get 16, but since the blue at pink can't touch take away 2 possible ways 16 minus 2 equals 14. 14 Ways. I really don't know 

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