标题: 一道prep的数学题 大家帮帮忙 谢谢 [打印本页] 作者: renaultboy 时间: 2010-2-10 22:08 标题: 一道prep的数学题 大家帮帮忙 谢谢 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 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 ?
