A teacher and his eleven students are standing in a single file line waiting to enter the cafeteria for lunch. If the teacher must stand at either the front or back of the line, how many different arrangements of the twelve people are possible?
A teacher and his eleven students are standing in a single file line waiting to enter the cafeteria for lunch. If the teacher must stand at either the front or back of the line, how many different arrangements of the twelve people are possible?
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
ChapterCSR: Contents Of Student Resources
Section: Chapter Questions
Problem 6.33EP
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A teacher and his eleven students are standing in a single file line waiting to enter the cafeteria for lunch. If the teacher must stand at either the front or back of the line, how many different arrangements of the twelve people are possible?
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