If 20 people all shake hands with each other, how many hand shakes are there? Show all work or explain your logic in solving this problem.
If 20 people all shake hands with each other, how many hand shakes are there? Show all work or explain your logic in solving this problem.
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter7: Percents
Section: Chapter Questions
Problem 6PTTS
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If 20 people all shake hands with each other, how many hand shakes are there? Show all work or explain your logic in solving this problem.
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