新SAT官方Daily Practise每日一题数学计算题

小站教育2017-06-19 14:11:42

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摘要:今天起,本系列将给大家带来SAT官方的每日一练真题,各个项目都有,持续更新,希望大家同步多练习。今天这里分享的是6月19日的数学计算题,一起来练习吧!

Read the following SAT test question and then click on a button to select your answer.

6月官方Daily Practice 每日一练数学,点击进入

A taxi ride cost a customer a total of $13.48, which included 4% sales tax and a $1 surcharge after the tax. What was the subtotal before the surcharge and sales tax?

A.$0.48

B.$12.00

C.$12.96

D.$312.00

重点单词

equivalent [i'kwivələnt] adj. 等价的,相等的

surcharge ['sə:.tʃɑ:dʒ] n. 装载过多,额外费

option ['ɔpʃən] n. 选择权,可选物,优先购买权

multiple ['mʌltipl] adj. 许多,多种多样的

答案:B

解析:

Option B is correct. The total minus the surcharge is 13.48-1, or 12.48 dollars. The subtotal before tax and surcharge is then 12.48 divided by the decimal equivalent of the sales tax percentage, 0.04, plus 1,or 12.48/1.04.

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