10) Jackson’s scores on the first four algebra quizzes are 79, 88, 95, and 71. What score must he earn on the fifth quiz to earn an average quiz score of 85?

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2015-11-04 22:38:23

Based on the given information, let x represent the grade for the fifth quiz. (79+88+95+71+x)/5=85 (333+x)/5=85 333+x=425 x=92 Jackson would have to earn a 92 on his fifth quiz to earn an average of 85.

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