国际顶尖MBA申请交流平台--TOPWAY MBA

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作者: steven.wei 时间: 2003-2-4 19:51 标题: 10

22)还有小M同学和小T同学家相隔76里地,他们还要约会,同时从家出来,在那小河边相遇时离小M同学家36里地,小M每小时走X里,问她的青蛙GG每小时走几里
10X/9
我没得出此答案，还请帮助。

作者: tongxun 时间: 2003-2-4 23:18

76-36=40. T have gone 40 miles
the time they spent exclusively is 36/x
Therefore, the pace of T is 40/(36/x)

作者: steven.wei 时间: 2003-2-5 23:10

thanks i treat 76 as 72. you are right , thanks again ....Tongxun

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