curci/gaini = 5/2 ⇒ curci = 5gaini/2
gaini/gaste = 3/1 ⇒ gaste = gaini/3
curci+gaini+gaste=46 ⇒ 5gaini/2 + gaini + gaini/3 = 46
Aducem la acelasi numitor si obtinem:
15gaini/6 + 6gaini/6 + 2gaini/6 = 276/6
⇒ (15+6+2)gaini=276
23gaini=276
gaini=276/23=12
curci=5x12/2=60/2=30
gaste=12/3=4