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  3. Approximately what is the percent increase in the number of Master Cleanse dieters from 1995 to 2000?

Approximately what is the percent increase in the number of Master Cleanse dieters from 1995 to 2000?

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问题
Approximately what is the percent increase in the number of Master Cleanse dieters from 1995 to 2000?
选项 A、200%
B、157%
C、189%
D、187%
E、129%
答案C
解析 The correct answer is C. In 1995, 0.07×135, or 9.45 million people were on the Master Cleanse diet. In 2000, 0.13×210, or 27.3 million people were on it. The difference between the two numbers is 17.85. So the fraction is the difference over the original, or, which simplifies to 1.88888 or 1.89.
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