SOLUTION: A student scored 5 points more on the second quiz than he did the first. He scored 11 points lower on the third quiz than he did the first. If the average score is 70, what was his

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Question 489109: A student scored 5 points more on the second quiz than he did the first. He scored 11 points lower on the third quiz than he did the first. If the average score is 70, what was his score on the first quiz?
Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
(n+5)+(n-11)+n/3=70
3n-6=210
3n=216
n=72
The student scored a 72 on the first quiz..