OpenStudy (anonymous):

Five students are getting ready to explain a problem to their math class. Only two of them are willing to be the first to give their explanation. How many ways are there to arrange the five students?

2 years ago
OpenStudy (anonymous):

so A and B are the students that want to go first

2 years ago
OpenStudy (kropot72):

There are 2 choices for the first to go. There are 4 choices for the next, 3 choices for the third to go, 2 choices for the fourth to go and only 1 choice for the last. Therefore the number of ways to arrange the five students is given by: 2 * 4 * 3 * 2 * 1 = you can calculate.

2 years ago
OpenStudy (anonymous):

the ansqwer is 48

2 years ago