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标题: [求助]天山-9-Q24 [打印本页]

作者: ninaluan 时间: 2004-12-27 23:21
标题: [求助]天山-9-Q24
Q24:

A glass was filled with 10 ounces of water, and 0.01 ounce of the water evaporated each

day during a twenty-day period. What percent of the original amount of water

evaporated during this period?

A. 0.002%

B. 0.02%

C. 0.2%

D. 2%

E. 20%

Answer

,请教这题怎么做出来的?谢谢!!

作者: gmat2004_ml 时间: 2004-12-28 10:50
0.01*20/10 =0.02 =2%

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