SOLUTION: How can I find the number of ways the word "ALGEBRA" can be arranged. Its really confusing... Choices are.. A.7!/5!2! B.7!/2! C.7! D.2!/7!

Algebra ->  Probability-and-statistics -> SOLUTION: How can I find the number of ways the word "ALGEBRA" can be arranged. Its really confusing... Choices are.. A.7!/5!2! B.7!/2! C.7! D.2!/7!       Log On


   

Question 611921: How can I find the number of ways the word "ALGEBRA" can be arranged.
Its really confusing...
Choices are..
A.7!/5!2!
B.7!/2!
C.7!
D.2!/7!
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
There are 7! ways to arrange 7 letters, but there are two 'A's. So to correct for this double counting, you have to divide by 2!


So the answer is 7!/2!