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

來源: IN_NJ 於 2009-02-02 08:28:30 [] [博客] [舊帖] [給我悄悄話] 閱讀數 : (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.




請您先登陸，再發跟帖！