Question

A group of six tourists arrive at an airport gate 15 minutes before flight time, but only two seats are available. How many different groups of two can get on the plane? How many different groups of two cannot get on the plane?

Answer 1

1 group of 2 people but 3 groups if there are enough seats

Answer 2

Only one group of two people can get on the plane and two groups of two cannot get on the plane