GWD涛涛8套数学一题~答案上打有星号~请求筒子们支援！

lilliantianyi

Q29:
The annual rent collected by a corporation from a certain building was x percent more in 1998 than in 1997 and y percent less in 1999 than in 1998.  Was the annual rent collected by the corporation from the building more in 1999 than in 1997?
(1)      x > y
(2)      xy/100  < x – y
答案上说是B，但是这个答案黑体了还打了星号，是什么意思啊？有争议吗？
请求筒子们支援！

lilliantianyi

咋米人帮忙呀~~~自己顶上来！
谢谢帮忙！

bennywang2usa

x percent more in 1998 than in 1997

是说比如97年是100块，98年就是100[1+(x/100)]

yzg1236

历史上是不是有争议不清楚，不过这题本身，选B没啥问题