SOLUTION: There are four people lining up for a bus ride but only two of them are willing to take the first position. with this constraint, in how many ways can the four people be seated on

Algebra ->  Probability-and-statistics -> SOLUTION: There are four people lining up for a bus ride but only two of them are willing to take the first position. with this constraint, in how many ways can the four people be seated on       Log On