标题: 请教陈向东数学一道题 [打印本页] 作者: talentzou 时间: 2018-10-28 23:06 标题: 请教陈向东数学一道题 If the value of a piece of property decreases by 10 percent while the tax rate on the property increases by 10 percent, what is the effect on the taxes?
A. Taxes increase by 10 percent
B. Taxes increase by 1 percent
C. There is no change in taxes
D. Taxes decrease by 1 percent
E. Taxes decrease by 10 percent 作者: dawny 时间: 2018-10-28 23:17
pt=T
p1=1.1p
t1=0.9t
p1t1=0.99T
应该是降低1%？作者: 啊大想当研究生 时间: 2018-10-29 09:45
带个数字
If the value of a piece of property decreases by 10 percent while the tax rate on the property increases by 10 percent, what is the effect on the taxes?
原价100 原来税率10%税收10
现在价格90 现在税率11% 税收9.9
0.1/10=1%作者: talentzou 时间: 2020-6-20 12:40