I have 2 slices of bread made of wheat and 2 slices of bread made of Rye (4 slices of bread in total). How many different types of sandwiches can be made ?

• in 4 ways.
  2 wheat breads can be placed in 2ways.
  2rye breads in 2 ways.
  total=4ways
• 10 years agoHelpfull: Yes(0) No(4)
• total=8
  2+2=4
  4+4=8
• 10 years agoHelpfull: Yes(0) No(0)
• I ain't sure about the ans.
  
  But it can be made in 12 different ways.
  
  --- ---
  1 2
  
  1st place has 4 options
  2nd place has 3 options
  
  as the sandwich can be of the same bread slices or a combo of both.
  
  
• 10 years agoHelpfull: Yes(0) No(0)
• mathematically, 4c1*3c1=12. but categorically 3, wheat-wheat, rye-rye, rye-wheat
• 9 years agoHelpfull: Yes(0) No(1)
• 2 different types of sandwiches.
  there is only wheat and rye.
• 9 years agoHelpfull: Yes(0) No(1)
• 1st way
  
  w w
  w r
  r r Total 3 ways
  
  2nd way using formula
  
  (4P2)/2!*2!
  =12/4
  =3
  
  as there are 2 Wheat Bread and 2 Rye Bread so repitation so divide them
• 5 years agoHelpfull: Yes(0) No(0)