选择题

2017 AMC 8 Problem 14: Homework Percentages

Chloe and Zoe each solved half of the homework alone and the other half together. Chloe had correct answers to 80% of the problems she solved alone, but overall 88% of her answers were correct. Zoe had correct answers to 90% of the problems she solved alone. What was Zoe's overall percentage of correct answers?

2017 AMC 8 第 14 题:家庭作业百分比

克洛伊和佐伊各自单独解决一半作业,另一半一起解决。克洛伊独自解决的问题中 80% 的答案都是正确的,但总的来说,她的答案有 88% 是正确的。佐伊独自解决的问题中 90% 的答案都是正确的。 Zoe 的总体正确答案百分比是多少

A.
89
B.
92
C.
93
D.
96
E.
98