Problem Solving
试题详情
题目：
The smaller rectangle in the figure above represents the original size of a parking lot before its length and width were each extended by w feet to make the larger rectangular lot shown. If the area of the enlarged lot is twice the area of the original lot, what is the value of w ?
选项:
A、25
B、50
C、75
D、100
E、200
答案:
B
