 
 <translate> Based on the given information, the following equation could be dervied: 2% * x + 4% * y + 5% * z = 4% * (x+y+z) Then use algebra to figure out -2%*x = 0%*y - 1%*z. Thus, 2x = z.
So, the answer is (D). <ibo> Dabere na ozi enyere, enwere ike ịdọrọ nha nha nke a: 2% * x + 4% * y + 5% * z = 4% * (x+y+z) Mgbe ahụ jiri algebra chọpụta -2%*x = 0%*y - 1%*z. Ya mere, 2x = z. Ya mere, azịza ya bụ (D). 