Skull2Game
Answered

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Em uma pesquisa sobre preferência de esportes, 30 pessoas gostam de futebol, 25 gostam de vôlei e 15 gostam de ambos. Quantas pessoas foram entrevistadas?

A) 40
B) 50
C) 60
D) 70

Eu preciso provar que essa questão dá duplo sentido, o resultado pode ser 40 ou 70 e o gabarito do Concurso diz 40.

Sagot :

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