Question

in how many more ways can 4 people be arranged in row than if they were arranged in a circle?

Answer 1

Answer:

in a square  

Step-by-step explanation:

3 more

Answer 2

Answer:

18 ways.

Step-by-step explanation:

1. first lets calculate arrangement in row by using permutation. 4! = 4x3x2x1 = 24
2. secondly let's calculate the arrangement in circular way by using circular permutation. (4-1)! = 3! = 3x2x1 = 6
3. the last step subtract. 24-6 = 18 ways