帮忙---这道题的思路怎么做呢？

deedeexoxo

If x and y are positive, is 4x > 3y?

(1)     x > y - x

(2)     x/y < 1

                  

A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.

B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.

C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.

D. EACH statement ALONE is sufficient.

E. Statements (1) and (2) TOGETHER are NOT sufficient.

这道题我用把假设的数带进去做出来找到答案的。 但是有没有更好，更快的思路呢？谢谢！！！

小佳

（1）推出2x>y，不能推出4x>3y

（2）推出x<y，一样不能推出4x>3y

so答案是e?  请指正..

deedeexoxo

en!答案是e. ：）好多年没有做数学了。你写下来我就想起来怎么做了。太谢谢！！