SOLUTION: find the the number of ways in which a group of 3 people can be chosen from 6 students, 5 parents and 4 teachers without restriction

Algebra ->  Permutations -> SOLUTION: find the the number of ways in which a group of 3 people can be chosen from 6 students, 5 parents and 4 teachers without restriction       Log On


   

Question 944463: find the the number of ways in which a group of 3 people can be chosen from 6 students, 5 parents and 4 teachers without restriction
Answer by Edwin McCravy(20060) About Me  (Show Source):
You can put this solution on YOUR website!
6+5+4=15

15 choose 3 = 15C3 = %2815%2A14%2A13%29%2F%283%2A2%2A1%29 = 455

Edwin