Answer:
Answer should be 5/2 I thinkkkkk
She will need 8 tables. Happy Thanksgiving! :D
I find it easier if you draw out people(not perfectly just make a circle or something) and then circle every 2 people to count for the men. There are 16 men in the gym.
When you have 8(s-3) you are find a product of 8 times whatever s-3 is however s-3 you are find the difference between whatever s is and 3.