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标题: [求助]TTGWD15-5 没有讨论 [打印本页]

作者: liujiuyu 时间: 2007-5-4 19:56
标题: [求助]TTGWD15-5 没有讨论

Q5:

A department manager distributed a number of pens, pencils, and pads among the staff in the department, with each staff member receiving x pens, y pencils, and z pads. How many staff members were in the department ?

(1) The numbers of pens, pencils, and pads that each staff member received were in the ratio 2 : 3 : 4, respectively.

(2) The manager distributed a total of 18 pens, 27 pencils, and 36 pads.

答案：E

请问：为什么B不对呢？都是整数啊

作者: sunshinerab 时间: 2007-5-4 20:21
B员工可以是1人（18：27：36）；可以是3人（6：9：12）；可以是9人（2：3：4）

作者: liujiuyu 时间: 2007-5-5 19:24
3x!

作者: zyj1203 时间: 2008-5-26 10:31

why not C??

help!!!

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