SOLUTION: there are 6 math books 4 english books and 7 filipino books on a shelf how many ways can you arrange all books such that the books of the same subject are kept?
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Question 1179121: there are 6 math books 4 english books and 7 filipino books on a shelf how many ways can you arrange all books such that the books of the same subject are kept? Answer by ewatrrr(24785) (Show Source):
Hi
17books: 6M 4E 7F
ways to arrange all books such that the books of the same subject are kept 'together.'?
same subject as an unit ... 3!
ways to arrange each unit: M(6!) E (4!) F(7!)
ways... (3!)[(6!)(4!)(7!)]
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