Question

There are 5 boys and 4 girls in my class. In how many ways can they be seated in a row of 9 chairs such that at least 3 girls are all next to each other?

Answer 1

b-g-g-g-g-b-b-b-b
b-g-g-g-b-b-b-b-g
b-g-g-g-b-b-g-b-b

continue alternating this pattern until you cant complete any more unique scenarios.