After paying a 10 percent tax on all income over $3000,a person had a net income
of $12000.What was the income before taxes?作者: britney-gao 时间: 2008-6-16 06:36
列个式子解一下就出来了
设税前收入为X
则 X-(X-3000)*10%=12000
X=13000作者: acinderellas 时间: 2008-6-19 20:28
恩，谢谢!!
欢迎光临 国际顶尖MBA申请交流平台--TOPWAY MBA (http://forum.topway.org/)
