Mathematics, 17.06.2021 19:30, maksimgelmud7

Num saco temos fichas verdes, azuis e vermelhas. Tira-se uma ficha ao acaso do saco. A probabilidade de sair uma ficha verde é 1/3 e de sair uma ficha azul é 1/2. Há 6 fichas vermelhas. Quantas fichas há no saco?

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Num saco temos fichas verdes, azuis e vermelhas. Tira-se uma ficha ao acaso do saco. A probabilidade...