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| Question 664364:  helpppp! please and thanks;
 Construct a tree diagram showing all four-letter arrangements, without repetition, from the set:
 {D, S, U, X} to answer the question below.
 How many arrangements have all consonants?
 explain how you came up with the answer, thank you!
 Answer by lynnlo(4176)
      (Show Source): 
You can put this solution on YOUR website! D,S,U,X=========4 LETTERS D,S,X,==========3 CONSONANTS
 ==============================EXCLUDE (U)
 D,S,
 D,X======S,D
 S,X=========X,S
 X,D====6 ARRANGEMENTS
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