On 3 sales John has received commissions of $240, $80, and $110, and he has 1 additional sale pending. If John is to receive an average (arithmetic mean) commission of exactly $150 on the 4 sales, then the 4th commission must be
- (A) $164
- (B) $170
- (C) $175
- (D) $182
- (E) $185
0
voters