SOLUTION: How many different ways can someone arrange 5 math books next to 4 science books on a shelf?
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Question 840756: How many different ways can someone arrange 5 math books next to 4 science books on a shelf?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
How many different ways can someone arrange 5 math books next to 4 science books on a shelf?
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Arrangements of the 5 math books: 5!
Arrangements of the 4 science books: 4!
Arrangements of the 2 groups: 2 ways
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Total arrangements: 5!*4!*2 = 5760 ways
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Cheers,
Stan H.
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