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游客2024-01-12  22

问题 Questions are based on the following data.
[br] Approximately what was the percent increase in the annual revenue from all greeting card sales from 1990 to 1993.

选项 A、50%
B、45%
C、39%
D、28%
E、20%

答案 D

解析 此题关于时间做对比,求百分比的形式为from A to B,需要参考左图。1990年的销量是4.5 billion,1993年的销量是5.75 billion,所以答案是(5.75-4.5)/4.5×100%,约为28%,选D。
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