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):
Answer by MathTherapy(10552)  (Show Source):
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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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