Homework Help Forum: math..word problem

Posted by M.A. on Friday, July 17, 2009 at 6:35am.

Tom and Fred are inseparable twins. They are in a five-person club. How many ways can these five line up for a photo if Tom and Fred must stand together?

• math..word problem - Reiny, Friday, July 17, 2009 at 7:29am

  treat Tom and Fred as one unit, so there are only 4 to arrange That would be 4! But within each those, Tom and Fred could be switched. So the total number of ways is 2(4!) = 48

  
  

Answer this Question

First Name:
School Subject:
Answer: