The grade point average of the entire class is 88. If the average of one third of the class is 94, what is the average of the rest of the class?
Pick:
A) 82
B) 83
C) 84
D) 85
E) 86

Rationale: "let x be the number of students in the class . let p be the average of the rest of the class . 88 x = ( 1 / 3 ) 94 x + ( 2 / 3 ) ( p ) x 264 = 94 + 2 p 2 p = 170 p = 85 . the answer is d ."
Answer: D