Sheet # 64 Critical Thinking
Name: _____________________ Date_____________
Show and explain your work. Draw pictures or make tables to explain your answer.
A group of four people meet for coffee at Starbucks every week. If they sit in a different order at the table each week, how many weeks until they have to repeat a seating arrangement?
Answer for sheet # 64
It is 4 x 3 x 2 x 1 = 24 combinations. It means 12 weeks before repeating the same combination. You can start with two people, three people.
Two people ( a, and b)
2 x 1 =2 combinations
Three people (a, b, and c)|
Totat combinations are 6
3 x 2 x 1 = 6