ericb3869 ericb3869
  • 03-03-2020
  • Mathematics
contestada

How many ways are there to select 7 countries in the United Nations to serve on a council if 3 is selected from a block of 54, 2 are selected from a block of 69 and 2 are selected from the remaining 66 countries?

Respuesta :

mcastillo9
mcastillo9 mcastillo9
  • 03-03-2020

Answer:

(54C3) + (69C2) + (66C2) = 29295

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