Answer:
1 question
Step-by-step explanation:
There are 20 questions in a quiz. Each correct answer scores 7 points, each wrong answer scores -4 points.
Total number of correct answers = 20 Questions × 7 points = 140 points
Total number of wrong answer = -4 × 20 questions = -80 points
We are told that:
Eric took the quiz and scored 100 points.
Therefore, the number of questions he left blank is 1 question
