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标题: [求助]GWD-1-24 [打印本页]

作者: freesimens 时间: 2005-6-9 06:42 标题: [求助]GWD-1-24

Q24:

Four staff members at a certain company worked on a project. The amounts of time that the four staff members worked on the project were in the ratio 2 to 3 to 5 to 6. If one of the four staff members worked on the project for 30 hours, which of the following CANNOT be the total number of hours that the four staff members worked on the project?

A. 80

B. 96

C. 160

D. 192

E. 240

key ===D

为什么A是对的。。。我算了只可能是 90 96 160 240

作者: founder 时间: 2005-6-9 07:13

assume employee whose ratio is 6 worked 30 hours,
30hrs / (6/16) = 80hrs (16 = 2+3+5+6)

作者: sammen 时间: 2005-6-9 18:22

不知道楼主得90事怎么算出来得,我算出来没90而是80.

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