Word count.
Task. How many ways are there to permite the letters in the word CREED"?
Answer
Let's count the letters.
C-1
R-1
5 litters in total
E-2
2-1
Firstly, we should count as if all letters are different. Then, adjust for overcounting by dividing 2! to account for the fund that there are 2 identical letters E'
5 = 60 ways 2