SOLUTION: A company needs to deliver packages 15 different locations. If a driver selects 5 locations for delivery, how many sequences are there for the delivery locations of the driver?

Question 1173548: A company needs to deliver packages 15 different locations. If a driver selects 5 locations for delivery, how many sequences are there for the delivery locations of the driver?
Found 2 solutions by Boreal, ikleyn:
Answer by Boreal(15235)   (Show Source): You can put this solution on YOUR website!
it is 15C5=3003.
Answer by ikleyn(52778)   (Show Source): You can put this solution on YOUR website!
.

Since the problem asks about SEQUENCES, it means that the ORDER DOES MATTER,

Hence, the answer is THIS     15*14*13*12*11 = 360360.

Solved.

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This problem is about PERMUTATIONS.

On Permutations, see introductory lessons
    - Introduction to Permutations
    - PROOF of the formula on the number of Permutations
    - Simple and simplest problems on permutations
    - Special type permutations problems
    - Problems on Permutations with restrictions
    - OVERVIEW of lessons on Permutations and Combinations
in this site.

Also, you have this free of charge online textbook in ALGEBRA-II in this site
    - ALGEBRA-II - YOUR ONLINE TEXTBOOK.

The referred lessons are the part of this online textbook under the topic "Combinatorics: Combinations and permutations".

Save the link to this textbook together with its description

Free of charge online textbook in ALGEBRA-II
https://www.algebra.com/algebra/homework/complex/ALGEBRA-II-YOUR-ONLINE-TEXTBOOK.lesson

into your archive and use when it is needed.

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