[問題]GWD 3-Q9

由 **myron** » 2005-04-14 21:25

If 5x = 2y and xy ≠ 0, then is what percent of y?

A. 2%
B. 4%
C. 10%
D. 40%
E. 50%

答案是(D)

看起很簡單,可是就是解不出來....... ;''(

網站 · 由 **agk99** » 2005-04-14 21:34

題目怪怪的
是問x是多少比例的y嗎

由魚 » 2005-04-14 22:01

myron \$m[1]:If 5x = 2y and xy ≠ 0, then is what percent of y?

A. 2%
B. 4%
C. 10%
D. 40%
E. 50%

答案是(D)

看起很簡單,可是就是解不出來.......

then is what percent of y==> then X is what percent of y

由 **myron** » 2005-04-15 11:24

原來是問 X啊...了解啦!

由 **chris8888** » 2007-11-13 10:06

If 5x = 2y and xy ≠ 0, then x is what percent of y?

A. 2%
B. 4%
C. 10%
D. 40%
E. 50%