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Problem 14 (2017 AMC 8)

AMC 8Normal

From module Word Problems

Problem

Chloe and Zoe are both students in Ms. Demeanor's math class. Last night they each solved half of the problems in their homework assignment alone and then solved the other half together. Chloe had correct answers to only 80%80\% of the problems she solved alone, but overall 88%88\% of her answers were correct. Zoe had correct answers to 90%90\% of the problems she solved alone. What was Zoe's overall percentage of correct answers?

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