SOLUTION: Louise scored 74%, 77% and 92% on his first algebra tests. What does he need on his 4th algebra test to maintain an average of 80 percent?

SOLUTION: Louise scored 74%, 77% and 92% on his first algebra tests. What does he need on his 4th algebra test to maintain an average of 80 percent?

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Question 981264: Louise scored 74%, 77% and 92% on his first algebra tests. What does he need on his 4th algebra test to maintain an average of 80 percent?
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!

=>he need percent on his 4th algebra test to maintain an average of percent
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