25 onions on a scale weigh 5.12 kg. When 3 onions are removed from the scale, the average weight of the 22 onions is 200 grams. What is the average weight (in grams) of the 3 onions which were removed? Choose one.
A) 200  B) 220  C) 240  D) 260  E) 280

Rationale: 22 * 200 = 4400 . the other 3 onions weigh a total of 720 grams . the average weight is 720 / 3 = 240 grams . the answer is c .
Answer: C