Question

daca unui numar ii adaugam sfertul sau si inca 85 vom obtine 500. afla numarul

Answer 1

x=numarul initial⇔1/4*x+x+85=500⇔1/4*x+x=415⇔impartim x in 4 numere=k⇔5k=415⇔k=83⇔x=83*4⇔x=332
:*******