SOLUTION: Inequality Anton has grades of 87 and 76 on his first two biology tests. What does he need on the third test to keep an average of AT LEAST 80. I know the answer is 77 but

Question 1051370: Inequality
Anton has grades of 87 and 76 on his first two biology tests. What does he need on the third test to keep an average of AT LEAST 80.
I know the answer is 77 but I'm not sure what the set up was like.
Answer by josgarithmetic(39621) (Show Source): You can put this solution on YOUR website!

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