The average of 55 results is 28 and the average of other 28 results is 55 . what is the average of all the results?	Pick one:
A) 37  B) 25  C) 48  D) 50  E) none

Rationale: "answer sum of 83 result = sum of 55 result + sum of 28 result . = 30 x 20 + 20 x 30 = 3080 correct option : a"
Answer: A