Problem Statement
How many ways can the letters of “ACCOUNT” be arranged if the two Cs are together?
Explanation
Treat the two Cs as one block. We then arrange 6 items: block C C, A, C? Check letters: A C C O U N T has 7 letters with two C’s. Block makes 6 objects: [CC], A, O, U, N, T. These 6 are distinct, so 6 factorial equals seven hundred twenty.
Code Solution
SolutionRead Only
6! = 720
Practice Sets
This question appears in the following practice sets:
