Richard,Kenn, Jerk, Dave and Paster line up at a ticket window. In how many ways can they arrange themselves so that Dave is first in line from the window?  Choose the correct choice from the following answers:  A) a 20  B) b 12  C) c 9  D) d 24  E) e 3
D   Dave's position is fixed. Now we need to arrange all others around Dave.   There are 4x3x2x1= 24 ways to arrange four people.
<result>D</result>
Richard,Kenn, Jerk, Dave and Paster line up at a ticket window. In how many ways can they arrange themselves so that Dave is first in line from the window?