SOLUTION: Jeanice needs an average score of 80% to pass her class. She has an average of 78% on her first seven exams. What will she have to make on her eighth exam to obtain an 80% average?
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Question 614714: Jeanice needs an average score of 80% to pass her class. She has an average of 78% on her first seven exams. What will she have to make on her eighth exam to obtain an 80% average?
You can put this solution on YOUR website! Jeanice needs an average score of 80% to pass her class. She has an average of 78% on her first seven exams. What will she have to make on her eighth exam to obtain an 80% average?
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Current status: Total points 78*7 = 546 points out of 700
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Equation:
Desired Average: (546+x)/8 = 80
546+x = 640
x = 94 (Score Jeanice needs on the 8th test)
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Cheers,
Stan H.
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