SAT数学官方，每日一题5

>>SAT数学：SAT数学官方，每日一题5

Mathematics>Standard Multiple Choice

Read the following sat test question and thenclick on a button to select your answer.

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

A.$0.48

B.$12.00

C.$12.96

D.$312.00

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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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