Skip to search.

Breaking News Visit Yahoo! News for the latest.

×Close this window

  1. Home >
  2. All Categories >
  3. Science & Mathematics >
  4. Mathematics >
  5. Resolved Question
Kaju Kaju
Member since:
May 24, 2007
Total points:
791 (Level 2)

Resolved Question

Show me another »

Como calculo porcentagem de uma forma simples? Tipo desconto de 40% em 69 reais?

Maria Descartes by Maria Descartes
Member since:
October 20, 2006
Total points:
234,857 (Level 7)

Best Answer - Chosen by Voters

40% de 69= 40.69/100=2760/100=276/10=
=27,60
Se a mercadoria sofreu um desconto de 40%, então:
69-27,60=41,40
A mercadoria custou R$41,40.

Source(s):

eu
67% 2 Votes

There are currently no comments for this question.

This question about "Como calculo porcent… " was originally asked on Yahoo! Answers Brazil

Other Answers (15)

  • A consciência by A consciência
    Member since:
    January 12, 2008
    Total points:
    3,253 (Level 4)
    69x.4=27,60 logo 69-27,60=41,40.
    0% 0 Votes
    • 1 person rated this as good
  • Carneiro by Carneiro
    Member since:
    January 23, 2008
    Total points:
    141 (Level 1)
    voce pode ir na calculadora .O desconto é de R$27,60
    0% 0 Votes
  • aeiou by aeiou
    Member since:
    July 30, 2006
    Total points:
    131,989 (Level 7)
    40/100 = 0,40
    0,4 * 69 = R$27,60
    :>:
    0% 0 Votes
  • triple trangle by triple trangle
    Member since:
    January 22, 2008
    Total points:
    359 (Level 2)
    simples. 40 por 100 de alguma coisa
    69*40=2760
    2760/100=27.60$
    ou mais facil
    0.4*69=27.60$
    0% 0 Votes
  • odenir by odenir
    Member since:
    February 20, 2007
    Total points:
    1,130 (Level 3)
    100...........40
    69...........x onde x=69x40/100=27,6
    0% 0 Votes
  • Tety by Tety
    Member since:
    November 19, 2007
    Total points:
    365 (Level 2)
    Da tb pra calcular assim: 69 x 40% - =

    Só seguir esses passos...simples né?
    0% 0 Votes
    • 1 person rated this as good
  • paulo augusto by paulo augusto
    Member since:
    February 20, 2007
    Total points:
    1,380 (Level 3)
    Com a regrinha de três na cabeça vc nunca mais vai esquecer: 100% - 69
    40%- x ....100x =69.40.... x=69.40 , dividido por 100
    RESUMINDO: 40 x 69, corta os dois zéros, digo, duas casas= resultado.
    0% 0 Votes
  • Loucão do Pântano by Loucão do Pântano
    Member since:
    December 14, 2007
    Total points:
    3,130 (Level 4)
    69 x 0.4
    0% 0 Votes
    • 1 person rated this as good
  • ' Phєl. by ' Phєl.
    Member since:
    June 15, 2006
    Total points:
    2,619 (Level 4)
    Conhece a regra de 3?

    100% = 69
    40% = x

    Multiplica em cruz:
    100 X x = 100x
    40 X 69 = 2760
    Agora divide (x na 1ª parte):
    x=2760/100 = R$27,60

    Ou vai em qualquer calculadora e coloca:
    69 - 40% = 27,6
    0% 0 Votes
    • 1 person rated this as good
  • ♥Pinkosa♥ by ♥Pinkosa...
    Member since:
    October 26, 2006
    Total points:
    2,178 (Level 3)
    69 x 0,40... É simples e o resultado é: 27,6...
    Se for na calculadora pode fazer assim ou 69x40%... Dá no mesmo... a maioria das calculadoras tem o botão de porcentagem.


    Boa Sorte!
    0% 0 Votes
    • 2 people rated this as good
  • Shirley . by Shirley .
    Member since:
    November 11, 2007
    Total points:
    3,424 (Level 4)
    faz assim:
    69-40%

    vai dar 27,6


    =]
    0% 0 Votes
    • 1 person rated this as good
  • Prof Adriano by Prof Adriano
    Member since:
    January 16, 2008
    Total points:
    3,486 (Level 4)
    De uma forma simples? É só multiplicar a taxa (40%) pelo capital (69 reais) e depois divide por 100.

    40 X 69 = 2760
    2760 / 100 = (conta duas casas da direita para a esquerda e coloca a vírgula.

    2760 / 100 = 27,60

    Logo: R$ 27,60
    0% 0 Votes
    • 1 person rated this as good
  • HENRIQUE EUQIRNEH by HENRIQUE EUQIRNEH
    Member since:
    January 16, 2008
    Total points:
    721 (Level 2)
    vc pega o 69 multiplica por 100, depois pega o resultado e divide por 49, ai vc pega o resultado e subtrai dos 69
    0% 0 Votes
    • 1 person rated this as good
  • Loirah** by Loirah**
    Member since:
    September 17, 2007
    Total points:
    368 (Level 2)
    (R$)69,00 X (%)40 = 2760 (Conta 2 casas de traz pra frente e põe a virgula)

    Vai dar R$ 27,60

    Valor total 69,00 - desconto 27,60 = 41,40

    69,00 - 40% = 41,40



    Bjk
    0% 0 Votes
    • 2 people rated this as good
  • OFF by OFF
    Member since:
    January 08, 2008
    Total points:
    17,143 (Level 6)
    Pode fazer por regra de três:

    69 reais ---- 100%
    x ----------- 40%


    x = 27,6 reais
    33% 1 Vote
    • 3 people rated this as good

Answers International

Yahoo! does not evaluate or guarantee the accuracy of any Yahoo! Answers content. Click here for the Full Disclaimer.

Help us improve Yahoo! Answers. Send Feedback