Question 950945
To average 83% on seven quizzes, the sum of the scores must be 7(83)=581.
The sum of the first five quizzes is 5(80)=400 so the student needs to score 581-400=181 on the next two quizzes combined to average 83%.
ANSWER The student must score a total of 181 on the next two quizzes combined to average 83% overall.