Tom, Dick, Harry and the Gorilla PowerPoint PPT Presentation

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Title: Tom, Dick, Harry and the Gorilla


1
Tom, Dick, Harry and the Gorilla
  • An Investigation

2
  • Tom, Dick, Harry and the Gorilla
  • On a table is a bag of nuts.
  • Standing round the table are three boys Tom, Dick
    and Harry and a gorilla called Hilda. The nuts
    are to be shared between them.
  • Tom takes the bag of nuts.
  • He gives one to the Gorilla
  • and takes half of what
  • is left for himself,
  • and then passes the bag onto Dick.

  • Dick opens the bag and takes

  • half the nuts for himself

  • before passing one to the

  • Gorilla. He then passes the
    bag

  • to Harry.

3
  • Tom, Dick, Harry and the Gorilla
  • Harry eats one of the nuts when he gets
  • the bag and then shares the rest equally
  • with the Gorilla.

  • If the Gorilla got 17 nuts in total,

  • how many nuts were

  • originally in the bag?

4
  • Solution- Tom, Dick, Harry and the Gorilla
  • Let x be the number of nuts in the bag
    originally.
  • Tom gets ½(x-1) of the nuts. Dick gets ¼(x-1).
  • Harry gets and Hilda gets
  • Solving the equation ,
    gives x 129 nuts in the bag.
  • Therefore
  • Tom 64 nuts
  • Dick 32 nuts
  • Harry 16 nuts
  • Hilda 17 nuts
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