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[问答] magoosh 短阅读求解 [复制链接]

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发表于 2014-9-22 22:54:33 |只看该作者 |倒序浏览
Consumer Advocate: Happy Smiles Daycare, a popular child-care facility in Rolling Hills, boasts an average child-to-caregiver ratio of 5:1, a number it cites as the lowest in the county. Furthermore, the daycare claims that compared to some other daycare centers in the county, it does not include helpers, or those who are involved in cleanup and diaper changing, when computing the ratio. Yet Happy Smiles Daycare’s claim that parents with children aged 1–3 will find no other facility with such a low child-to-caregiver ratio is not accurate.

Which of the following, if true, provides the best justification for the Consumer Advocate’s position?

1.Happy Smiles Daycare has two rooms, one for children 1-2 years old and another for those 2-3 years old, both of which have a child to caregiver ratio of 5:1.
2. Kenton School, which has fewer than 100 students and a legitimate child-to-caregiver ratio of 6:1, provides classes for each year up to age 6, though the classes for those over 3 have a child-to-caregiver ratio more than double that of the other classes.
3.The number of students enrolled in Happy Smiles Daycare remains relatively fixed throughout the year.
4. Tiny Tots Daycare, which boasts a 4:1 child-to-caregiver ratio, includes any adults who are in a classroom throughout the day.
5. Looming budget cuts indicate that Happy Smiles Daycare may not be able to sustain such a low child-to-caregiver ratio in coming years.

答案是第二个 我是做对的  但是我是用排除法做出来的
视频和文字解释都说可以从第二个选项直接得出比例小于5:1
恕我脑子不好使,我只能看出来肯定比例小于6.至于还会小于5我实在看不出来
求解,谢谢~~
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沙发
发表于 2014-9-23 01:14:29 |只看该作者
:lol:lol:lol:lol Thanks for supporting

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板凳
发表于 2014-11-11 21:50:25 |只看该作者
我也纠结啊。。。求大神

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地板
发表于 2014-11-11 21:54:13 |只看该作者
哦哦哦,是不是这样的。。。
假设有2个学生,两个不同年级,12个老师。

3-6年级的这1个学生, 至少有8个老师,
1-3年级的这1个学生, 至多有4个老师,那么就是小于5:1了~

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发表于 2016-1-17 19:07:28 |只看该作者
同不理解

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RE: magoosh 短阅读求解 [修改]
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magoosh 短阅读求解
https://bbs.gter.net/thread-1773285-1-1.html
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