Answer to Question #330086 in Calculus for ash

Question

Three cars arrive simultaneously at a four way stop and all want to proceed straight through the intersection. How many ways are there for this to happen if they proceed on at a time. Show a diagram with your explanation.

Answer 1

$3!=6$ ways

Let we have car number 1,2,3.

The ways are

(1,2,3)

(1,3,2)

(2,1,3)

(2,3,1)

(3,1,2)

(3,2,1)