👤

DAU COROANA PLSSSS MACAR UN EXERCITIUUUUUU

DAU COROANA PLSSSS MACAR UN EXERCITIUUUUUU class=

Răspuns :

3)30%x+140=x

  30/100x+140=x

   3x/10+140=x

   3x+1400=10x

   1400=10x-3x

    1400=7x

     x=1400/7

     x=200(pagini)