SOLUTION: The average (arithmetic mean) test score in a class of 12 students was 74. If 4 students who averaged 96 were removed from the class, what would be the new average score of the cla

Algebra ->  Average -> SOLUTION: The average (arithmetic mean) test score in a class of 12 students was 74. If 4 students who averaged 96 were removed from the class, what would be the new average score of the cla      Log On


   



Question 1086895: The average (arithmetic mean) test score in a class of 12 students was 74. If 4 students who averaged 96 were removed from the class, what would be the new average score of the class?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Let F be the scores of the 4 students with average of 96, X the scores of the remaining students,
A=%28X%2BF%29%2F12=74
F%2F4=96
F=384
So then,
X%2B384=888
X=504
So for the remaining 8 students,
A%5B8%5D=504%2F8=63