Question 628917
In how many different ways can 5 people arrange themselves in the 5 seats
 of a boat if only 2 of the people can drive the boat?
Seat 1, driver, only 2 choices
Seat 2, 4 choices
Seat 3, 3 choices
Seat 4, 2 choices
Seat 5, 1 choice
:
2*4*3*2*1 = 48 arrangements