A score for a hole in golf can be 0, negative, or positive. A score of 0 represents par, or average, for most people. A negative score is a better than average score. (It took fewer than the average number of strokes to get the ball in the hole.) A positive score is a worse than average score. (It took more than the average number of strokes to get the ball in the hole.) Piper scored the same score on her first 9 holes of mini-golf. Her score on each hole was 3 fewer than her usual score per hole. Her score after 9 holes was 9 . What does Piper usually score on a hole of mini-golf