SOLUTION: Sarah has grades of 74 and 99 on his first two tests. If she wants an average of at least 80 after her third test, what score must she make on that test?

SOLUTION: Sarah has grades of 74 and 99 on his first two tests. If she wants an average of at least 80 after her third test, what score must she make on that test?

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Question 899147: Sarah has grades of 74 and 99 on his first two tests. If she wants an average of at least 80 after her
third test, what score must she make on that test?
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!

x ≥ 240 - 74 - 99
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