SOLUTION: you are transferring to a new house. You have a collection of books but you can not take them all with you. In how many ways can you select 7 books out of 10,and then arrange these
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Question 1103464: you are transferring to a new house. You have a collection of books but you can not take them all with you. In how many ways can you select 7 books out of 10,and then arrange these books on a shelf if there is space enough for only 5 books? Answer by Edwin McCravy(20054) (Show Source):
