This is very simple MATH probelm.5th+ gread student should answe

來源: IN_NJ 於 2009-02-02 08:28:30 [檔案] [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次 (213 bytes)

1000/Va = 950/Vb

Va=1000/950 Vb

1000/Vb 1050/Va Which one is greater?

1000/Vb 1050*950/1000 Vb=997.5/Vb

Since 1000/Vb > 997.5/Vb

So cow A won the race.

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