2. 外语
  3. Which of the following represents the total dollar amount that a customer would have to pay for an item that costs s dollars plu

Which of the following represents the total dollar amount that a customer would have to pay for an item that costs s dollars plu

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问题 Which of the following represents the total dollar amount that a customer would have to pay for an item that costs s dollars plus a sales tax of 8 percent, in terms of s?
选项 A、s/0.08
B、s/1.08
C、s/8
D、0.08s
E、1.08s
答案E
解析 The total dollar amount that the customer would have to pay is equal to the cost plus 8 percent of the cost. Translating to an algebraic expression, you get that the total amount is s +0.08s, or 1.08s. Thus the correct answer is Choice E.
This explanation uses the following strategy.
Strategy 1: Translate from Words to an Arithmetic or Algebraic Representation
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