Question 273100
Ella has a average score of 82% on three of her tests. Her average score on the first two tests were 85%. What is the third test score percentage?
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Equation:
2(0.85) + x = 3(0.82)
1.7 + x = 2.46
x = 0.76
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Ans: 76% 
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Cheers,
Stan H.