Six friends (Adam, Bruce, Connor, David, Ethan & Frank) have to form a line, but Adam and Bruce want to stand next to each other in the line. In how many different ways can they be lined up in a row?
Six friends (Adam, Bruce, Connor, David, Ethan & Frank) have to form a line, but Adam and Bruce want to stand next to each other in the line. In how many different ways can they be lined up in a row?