SOLUTION: You have taken 3 tests and have an average of 72 points. If you score 100 points on each of the rest of the tests, how many more test do you need to take to raise your average to 8

Question 1029929: You have taken 3 tests and have an average of 72 points. If you score 100 points on each of the rest of the tests, how many more test do you need to take to raise your average to 88 points?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!

So if you take N tests and get 100 on each, your average would be,

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