SOLUTION: How many different arrangements of 5 letters can be formed if the letter must be W or K (repeats of letters are allowed)?
Algebra.Com
Question 1071124: How many different arrangements of 5 letters can be formed if the letter must be W or K (repeats of letters are allowed)?
Answer by ikleyn(52817) (Show Source): You can put this solution on YOUR website!
.
Answer. = 32 different arrangements.
Indeed, there are 2 possibility for the first letter from the left.
Then there are 2 possibilities for the second letter.
Then . . . . and so on till the 5-th letter.
In this way you will get all arrangements.
Each is unique, and each is achievable in this way.
There is no other arrangements.
RELATED QUESTIONS
How many different arrangements of 9 letters can be formed if the first letter must be W... (answered by Alan3354)
How many different arrangements of 4 letters can be formed if the first letter must be W... (answered by stanbon)
How many different arrangements of 6 letters
can be formed if the first letter must be W (answered by ikleyn)
How many different arrangements of 3 letters can be formed if the first letter must be W... (answered by Alan3354)
how many different arrangements of 7 letters can be formed if the first letter must be W... (answered by nyc_function)
How many different 4 letter radio station call letters can be made if the first letter... (answered by jsmallt9,math-vortex)
The call letters of a radio station must have 4 letters. The first letter must be a K or... (answered by Alan3354)
The call letters of a radio station must have four letters. The first letter must be a K (answered by edjones)
How many differ 4-letter radio-station call letters can be made if the first letter must... (answered by stanbon)