Question

Nine friends, five boys and four girls, enter a movie theater. After selecting a row they decided that no boys would sit next to each other. How many different seating arrangements are there for the nine friends?

Answer 1

@sourwing if you're not too busy, can you help me please :3

Answer 2

B G B G B G B G B
G B G B G B G B B <-- notice that this is impossible because if a girl sit at the first seat, it's a guarantee that 2 boys will seat next to each other some where.

5 * 4 * 4 * 3 * 3 * 2 * 2 * 1 * 1

Answer 3

so 2880? thanks :)

Answer 4

idk what does your calculator say?

Answer 5

2880

Answer 6

ok

Answer 7

thanks for your help! :D