SOLUTION: After 20 quizzes, Jamar's average is 8. He gets a 0 on the next quiz. What is his average after 21 quizzes?
Algebra.Com
Question 795270: After 20 quizzes, Jamar's average is 8. He gets a 0 on the next quiz. What is his average after 21 quizzes?
Answer by Cromlix(4381) (Show Source): You can put this solution on YOUR website!
After 20 quizzes, Jamar's average is 8
Total = 20 * 8 = 160
He gets 0 for next quiz
160/21 = 7.6 Average (1 decimal place).
Hope this helps.
:-)
RELATED QUESTIONS
1..If Jamar's average quiz score is 8, and he misses his next quiz so he gets a 0. What... (answered by ankor@dixie-net.com)
Jung's average on 2 biology quizzes is 7. what should Jung's score on the next quiz be in (answered by mananth,greenestamps)
After taking 4 quizzes, your average is 76 out of 100. What must your average score be on (answered by drj)
After taking 3 quizzes, your average is 79 out of 100. What must your average score be on (answered by josmiceli)
after taking 7 quizzes, your average is 78 out of 100. what must your average score be on (answered by ankor@dixie-net.com)
After taking 7 quizzes, your average is 72 of 100. What must your average be on the next... (answered by Alan3354)
2. Mary’s average on two biology quizzes is 7. What should Mary score on the next quiz... (answered by lwsshak3)
Jerson’s grades on his four quizzes are 88, 87, 90, and 95. If his target average on... (answered by Boreal)
If someone had an average of 8 after 20 quizzes, how can I find their average after the... (answered by JulietG)