Uma pessoa teve um aumento de salário de 15 % e passou a ganhar R$ 3 450,00 Qual era o valor de 5 % do salário dessa pessoa antes do aumento

Uma pessoa teve um aumento de salário de 15 % e passou a ganhar R$ 3 450,00 Qual era o valor de 5 % do salário dessa pessoa antes do aumento

  • 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.
    115% x = 3450
    115 x = 3450
    100

    x = 3450.100 (:5) = 3450. 20 (:23) = 150. 20
    115 (:5) 23 (:23) 1
    x = 3000

    Antes do aumento: R$ 3000

    5%. 3000 = 5 . 3000 (:100) = 5 . 30 = 150
    100 (:100) 1

    Resp.: 5% antes do aumento representava R$ 150,00.

  • 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.
    1,15.X = 3450,00
    X = 3450,00/1,15
    X= 3000
    3000.0,05= R$ 150,00
    O valor era R$ 150,00

Добавить комментарий

− 1 = 1