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Alcemirojosedasilvago
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Calcule as porcentagens abaixo: a) 40% de 150 b) 10% de 55 c) 5% de 80 d) 50% de 70 e) 30% de 600 f) 15% de 400.
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Resposta :

1PombDrockBr1go

Veja os calulos abaixo:

Resolvendo:

  • a) 40% de 150:

[tex]x = 40\ . \ 150\\\\x = \dfrac{6000}{100} \\\\x = 60[/tex]

  • b) 10% de 55:

[tex]x = 10\ . \ 55\\\\x = \dfrac{550}{100} \\\\x = 5,5[/tex]

  • c) 5% de 80:

[tex]x = 5\ . \ 80\\\\x = \dfrac{400}{100} \\\\x = 4[/tex]

  • d) 50% de 70:

[tex]x = 50\ . \ 70\\\\x = \dfrac{3500}{100} \\\\x = 35[/tex]

  • e) 30% de 600:

[tex]x = 30\ . \ 600\\\\x = \dfrac{18000}{100} \\\\x = 180[/tex]

  • f) 15% de 400:

[tex]x = 15\ . \ 400\\\\x = \dfrac{6000}{100} \\\\x = 60[/tex]

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