2. 职称英语
  3. In 1980, the cost ofp pounds of potatoes was d dollars. In 1990, the cost of 2p

In 1980, the cost ofp pounds of potatoes was d dollars. In 1990, the cost of 2p

游客2025-02-24  39
问题 In 1980, the cost ofp pounds of potatoes was d dollars. In 1990, the cost of 2p pounds of potatoes was d/2 dollars. By what percent did the price of potatoes decrease from 1980 to 1990?
选项 A、25%
B、50%
C、75%
D、100%
E、400%
答案 C
解析
转载请注明原文地址:http://tihaiku.com/zcyy/3971025.html
相关试题推荐
随机试题
最新回复(0)