SOLUTION: Katherine needs an overall grade of 85 in her math class to be qualified for an additional class. Her math grade is based on 6 exams. Her first five grades were 87, 81, 85, 90, 7

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Question 949352: Katherine needs an overall grade of 85 in her math class to be qualified for an additional class. Her math grade is based on 6 exams. Her first five grades were 87, 81, 85, 90, 78. Write an inequality that represents her predicament. What score does she need to qualify?
Found 2 solutions by josgarithmetic, MathTherapy:
Answer by josgarithmetic(39618)   (Show Source): You can put this solution on YOUR website!
Does Katherine rely on averages or on totals?

Six tests, 600 points.








Answer by MathTherapy(10552)   (Show Source): You can put this solution on YOUR website!

Katherine needs an overall grade of 85 in her math class to be qualified for an additional class. Her math grade is based on 6 exams. Her first five grades were 87, 81, 85, 90, 78. Write an inequality that represents her predicament. What score does she need to qualify?


Let final grade she needs, be G

Inequality representing her predicament: 

Solve the above to determine what grade she needs. 

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