题目信息
A baseball card decreased in value 20% in its first year and 10% in its second year. What was the total percent decrease of the card's value over the two years?
A:28%
B:30%
C:32%
D:36%
E:72%
参考答案及共享解析

共享解析来源为网络权威资源、GMAT高分考生等; 如有疑问,欢迎在评论区提问与讨论
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已选答案:
正确答案:
A:28%
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题目来源
Manhattan