hwo many arrangements of ISOSCELES can be done if no 2 letters of clsss can be together , i have tried many times but never could get the answer the answer is 240 please help me

Results 1 to 2 of 2

- March 19th 2013, 06:59 PM #1

- Joined
- Jun 2012
- From
- Trinidad and Tobago
- Posts
- 32

- March 19th 2013, 08:44 PM #2

- Joined
- May 2006
- From
- Lexington, MA (USA)
- Posts
- 11,739
- Thanks
- 645

## Re: permuatation help

Hello, righteous818!

How many arrangements of ISOSCELES can be done if no 2 letters of CLSSS can be together?

We have 9 spaces to fill.

. .

Place in the four boxes.

. . There are: ways.

Place in the five blanks.

. . There are: ways.

Therefore, there are:. arrangements.