2. 外语
  3. The total cost of 8 bagels at a bakery is x dollars. At this cost per bagel, which of the following represents the total cost, i

The total cost of 8 bagels at a bakery is x dollars. At this cost per bagel, which of the following represents the total cost, i

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问题 The total cost of 8 bagels at a bakery is x dollars. At this cost per bagel, which of the following represents the total cost, in dollars, of y bagels?
选项 A、8/xy
B、8x/y
C、8y/x
D、xy/8
E、x/8y
答案D
解析 The total cost of 8 bagels is x dollars, so one bagel costs x/8 dollars. Therefore the total cost of y bagels is y(x/8), or xy/8 dollars. Thus the correct answer is Choice D.
This explanation uses the following strategy.
Strategy 1: Translate from Words to an Arithmetic or Algebraic Representation
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