题目信息
Three-fourths of the area of a rectangular lawn 30 feet wide by 40 feet long is to be enclosed by a rectangular fence. If the enclosure has full width and reduced length rather than full length and reduced width, how much less fence will be needed?
A:$$2\frac{1}{2}$$
B:5
C:10
D:15
E:20
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：
B:5
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
