Suppose you are the owner of a sari sari store and you have 8 pieces of different canned goods [ligo,555,mega young`s town,master,saba,blue bay,and century] and you are only allowed to display 7 canned goods on the shelf list down all the possible combinations?


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Respuesta :

This question using the combinations concept, as the order in which the canned goods are displayed is not important. Thus, using the combinations formula, we get 8 ways, which are:

  • 555,mega, young`s town,master,saba,blue bay,and century
  • ligo,555,mega, young`s town,master,saba,blue bay
  • ligo, mega, young`s town,master,saba,blue bay,and century
  • ligo, 555, young's town, master,saba,blue bay,and century
  • ligo,555,mega, master, saba, blue bay,and century
  • ligo,555,mega, young`s town,saba,blue bay,and century
  • ligo,555,mega, young`s town,master,blue bay,and century
  • ligo,555,mega, young`s town,master,saba, and century.

Combinations formula:

[tex]C_{n,x}[/tex] is the number of different combinations of x objects from a set of n elements, given by the following formula.

[tex]C_{n,x} = \frac{n!}{x!(n-x)!}[/tex]

In this question:

7 from a set of 8, so:

[tex]C_{8,7} = \frac{8!}{7!1!} = 8[/tex]

8 possible ways, in which each way we remove one of them, in the list given above.

A similar problem is found at https://brainly.com/question/23302762