SOLUTION: Adam's average on four tests is 80. which of the following cannot be the number of tests on which he earned exactly 80 points? A)0 B)1 c)2 D)3 E)4

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Question 551181: Adam's average on four tests is 80. which of the following cannot be the number of tests on which he earned exactly 80 points? A)0 B)1 c)2 D)3 E)4
Answer by solver91311(24713)   (Show Source): You can put this solution on YOUR website!


If he earned exactly 80 points on 3 of the 4 tests, then he would have had to get exactly 80 on the 4th one as well.

John

My calculator said it, I believe it, that settles it
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