Question
Jill Moran has grades of 95 and 87 on her first two calculus tests. What is the minimum score on her third test that will give her an average of at least 90?
Answers
solve for x, the score on her third test.
(x + 95 + 87)/3 ≥ 90
(x + 95 + 87)/3 ≥ 90
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