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标题: 请教一道文字很搞的数学题 [打印本页]

作者: angelavivi 时间: 2006-7-9 20:09 标题: 请教一道文字很搞的数学题

来自模考光盘

For every pack of cigarettes sold, a state tax of 12 cents and a local tax of 3 cents are added to the price of the pack. if a pack of cigarettes sells for $1.35 including taxes, approximately what percent of the pre-tax price is the sum of the state and local taxes?
12.5 (answer)
12
11
9.3
9.0
I don't understand the last sentence of the question?

作者: britney-gao 时间: 2006-7-10 13:20

(state tax + local tax) = x% * pre-tax price

x = ?

作者: casualwalk 时间: 2006-7-11 06:35

州税和地方税的和是没有加税前的价格的百分之几？

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