求助一个prep1上的数学题

tpr1989 · 发表于 2011-3-10 16:27:07

Before being simplified, the instructions for computing income tax in Country R were to add 2 percent of one's annual income to the average (arithmetic mean) of 100 units of Country R's currency and 1 percent of one's annual income.Which of the following represents the simplified formula for computing the income tax, in Country R's currency, for a person in that country whose annual income is I ?

麻烦先翻译一下题吧，确实没读懂，然后告知下解法，多谢！

16144q · 发表于 2011-3-10 17:04:08

翻译之后为：income tax =2% * I + (100+1% * I)/2

tpr1989 · 发表于 2011-3-10 19:18:08

答案是没错，但是还是没读懂题意啊，那个2是怎么来的？

心诚则灵的MM · 发表于 2011-3-10 19:33:56

average (arithmetic mean)，所以除以2

求助一个prep1上的数学题

所属分类: GMAT考试

正在浏览此版块的会员 ()

浏览过的版块