SOLUTION: Alice got the following scores in the first quarter quizzes: 12, 10, 16, x, 13 and 9. what must be her score on the 4th quiz to get an average of 12?

Question 955666: Alice got the following scores in the first quarter quizzes: 12, 10, 16, x, 13 and 9. what must be her score on the 4th quiz to get an average of 12?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Alice got the following scores in the first quarter quizzes: 12, 10, 16, x, 13 and 9. what must be her score on the 4th quiz to get an average of 12?
---------
Equation:
(12+10+16+13+9 + x)/6 = 12
------
60+x = 72
x = 12
==========
Cheers,
Stan H.
---------------
RELATED QUESTIONS
Anne earned scores of 15,12,14, and 9 on her first four Spanish quizzes. If Anne wants... (answered by rfer)

Jake got the following scores in the first 5 quizzes: 11, 9, 13, 18, 17. What... (answered by ikleyn)

Lucinda has quiz scores of 18, 15, 14, 16, and 15 this quarter. What score must she earn... (answered by ewatrrr)

Suppose a student has earned the following grades on her first four quizzes: 83, 72, 89,... (answered by ankor@dixie-net.com)

Suppose a student has earned the following grades on her first four quizzes: 83, 72, 89,... (answered by MathLover1)

Jake got the following scores in the first 5 quizzes: 11, 9, 13, 18, 17. What... (answered by Alan3354,ikleyn)

vicky has misplaced one of her algebra quizzes. the scores on the quizzes are 82, 71, 83, (answered by John10,Edwin McCravy)

Lauren has grades of 98 and 86 on her first two chemistry quizzes. What must she score... (answered by josmiceli)

Jayden has scores of 9, 6, 10, 5, 6 and 8 on his first six quizzes. If he wants an... (answered by Fombitz)