matteopettinari matteopettinari

12-11-2017
Mathematics

contestada

In how many ways can 4 boys and 5 girls sit in
a row if the boys and girls must alternate?

Respuesta :

alicegrant88 alicegrant88

12-11-2017

This is the only way 4 boy and 5 girls can sit in row row and alternating:

girl
boy
girl
boy
girl
boy
girl
boy
girl

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