Permutation Question

Question

Teri has 7 books and she wants to put 3 books on her shelf. Out of the 7 books, there are 2 books that start with the letter A, 2 books that start with the letter M, and 3 books that start with the letter T. How many ways can Teri place 3 books on her shelf such that the first starts with the letter A, the second starts with the letter M, and the third starts with the letter T?

Answer 1

Begin with A: 2 choices

Begin with M: 2 choices

Begin with T: 3 choices

 

Multiply these; 12 ways to meet the criterion.