21. A dormitory hallway of 25 girls is selecting several groups to host socials. They need two groups of 4 girls, two gr
Posted: Mon Nov 15, 2021 10:25 am
21. A dormitory hallway of 25 girls is selecting several groups to host socials. They need two groups of 4 girls, two groups of 3 girls, two groups of 2 girls and a group of 7 girls for the semester finale. How many possibilities exist?