Mathematics, 13.01.2021 22:30 bethzabezarahi

Aumentos sucessivos de 20% e de 30% equivalem a um aumento único de que percentual? E
descontos sucessivos de 20% e de 30% equivalem a um desconto único de que percentual? E um aumento de 20% seguido de um desconto de 30% equivalem a
um único aumento ou desconto? De que percentual?

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Aumentos sucessivos de 20% e de 30% equivalem a um aumento único de que percentual? E
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