A total of 30 percent of the geese included in a certain migration study were male.  If some of the geese migrated during the study and 20 percent of the migrating geese were male, what was the ratio of the migration rate for the male geese to the migration rate for the female geese? [Migration rate for geese of a certain sex = (number of geese of that sex migrating) / (total number of geese of that sex)]_ps 题目读不懂出国考试答疑器_GMAT

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题目：

A total of 30 percent of the geese included in a certain migration study were male. If some of the geese migrated during the study and 20 percent of the migrating geese were male, what was the ratio of the migration rate for the male geese to the migration rate for the female geese?

[Migration rate for geese of a certain sex = (number of geese of that sex migrating) / (total number of geese of that sex)]

选项:

A、1/4

B、7/12

C、2/3

D、7/8

E、8/7

提问：

ps 题目读不懂

解答：

阅读2195

解答： sysadmin

提问：

ps 题目读不懂

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阅读2196

解答： sysadmin老师

提问：

PS请老师讲讲，读题有点困难

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解答： sysadmin老师

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