2. 外语
  3. If the average hourly wage of the rank-and-file manufacturing worker in 1919 was $0.55, which of the following is closest to the

If the average hourly wage of the rank-and-file manufacturing worker in 1919 was $0.55, which of the following is closest to the

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问题 If the average hourly wage of the rank-and-file manufacturing worker in 1919 was $0.55, which of the following is closest to the average price of 1/2 gallon of milk in 1919?
选项 A、$0.80
B、$0.65
C、$0.50
D、$0.35
E、$0.20
答案D
解析 From the graph, you see that in 1919 the work time required to pay for 1/2 gallon of milk was approximately 38 minutes. Given an hourly wage of $0.55, the wage for 38 minutes is (38/60)($0.55), or about $0.35. The correct answer is Choice D.
This explanation uses the following strategies.
Strategy 4: Translate from a Figure to an Arithmetic or Algebraic Representation
Strategy 5: Simplify an Arithmetic or Algebraic Representation
Strategy 9: Estimate
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