Por quanto se deve vender uma mercadoria comprada por $ 250,00 para que o lucro corresponda a 40% da compra

Por quanto se deve vender uma mercadoria comprada por $ 250,00 para que o lucro corresponda a 40% da compra



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    Ol WelMarocha0

    Vamos para o sistema de equaes.
     frac{250}{x} = frac{100}{40}   100x=10000  x= frac{10000}{100}   x=100reais

    Logo, para o lucro ser de 40%, devo sair ganhando 100 reais.Ento:
    250+100=350

    Devo vender minha mercadoria por 350 reais.

    Bons estudos!

  • Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
    Regra trs simples:

     dfrac{250}{x}  *  dfrac{100}{40}       100x = 250 * 40       100x = 10.000      x =  dfrac{10.000}{100}       x = 100

    100 + 250 = 350

    R$ 350,00


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