Răspunsuri

2014-07-01T14:07:20+03:00
Notam  numarul curcilor cu x
notam numarul gainilor cu 4x
4x-x=36
3x=36
x=36:3
x=12(numarul curcilor)
12x4=48(numarul gainilor)
2014-07-01T14:07:58+03:00
X-nr gainilor

y-nr curcilor

x-36=y

y=1/4 * x
y=x/4

x-36=x/4   aducem la acelasi numitor

4x-144=x

4x-x=144
3x=144
x=144:3

x=48

y=48/4=12