题目信息
Company S produces two kinds of stereos:basic and deluxe. Of the stereos produced by Company S last month, $$\frac2 3$$ were basic and the rest were deluxe. If it takes $$\frac7 5$$ as many hours to produce a deluxe stereo as it does to produce a basic stereo, then the number of hours it took to produce the deluxe stereos last month was what fraction of the total number of hours it took to produce all the stereos?
A:$$\frac{7}{17}$$
B:$$\frac{14}{31}$$
C:$$\frac{7}{15}$$
D:$$\frac{17}{35}$$
E:$$\frac{1}{2}$$
参考答案及共享解析
共享解析来源为网络权威资源、GMAT高分考生等； 如有疑问，欢迎在评论区提问与讨论
本题耗时：
已选答案：
正确答案：
A:$$\frac{7}{17}$$
权威答案解析正在整理中，即将上线。
加入收藏
在线答疑
题目来源
