In how many ways can four people line up in a straight line if the youngest person cannot be first in line?

IMAGODLYNOOB Jun 18, 2021

#1**+1 **

i got 18 guys. 3*3*2, because if u use a b c d as the people, d is youngest so 12*2-6=24-6=18

IMAGODLYNOOB Jun 18, 2021