⇒ 2x - 40 = y ⇒ 2x - y = 40 ................(i) According to the second condition, 40 + x + y + 60 = 100 x 3 ⇒ x + y = 200 .............(ii) Adding both the Eqs. (i) and (ii), we get 3x = 240 ⇒ x = 80 y = 200 - 80 = 120 Hence, required ratio = x : y = 80 : 120 = 2 :3