O teor alcoólico na gasolina brasileira e de 25% em media sendo assim determine o volume de álcool contido em 40 L dessa gasolina

O teor alcoólico na gasolina brasileira e de 25% em media sendo assim determine o volume de álcool contido em 40 L dessa gasolina

  • 25% = 1/4

    Volume de lcool = 1/4 * 40 = 40/4 = 10L

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    s voc calcular 25% sobre os 40 litros.

    Resoluo:
    25 100= 0,25
    40 0,25= 10

    R) 10 .


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38 + = 41