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SAT官方每日一题附答案和解析[数学](2020年7月9日)
日期:2020-07-09 07:29

(单词翻译:单击)

每日一题

Mathematics

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

答案和解析

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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