标题: 数学试题 [打印本页] 作者: cici0109 时间: 2016-4-14 12:31 标题: 数学试题 Quantitative Review的一道题。
The organizers of a fair projected a 25 percent increase in attendance this year over that of last year, but attendance this year actually decreased by 20 percent. What percent of the projected attendance was the actual attendance？
A.45%
B.56%
C.64%
D.75%
E80%
请问题意和具体怎么解？作者: z157254777 时间: 2016-4-14 12:45
set actual attendance of last year=X