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  3. The number of Internet users in the United States was approximately how many times the number of Internet users in Italy?

The number of Internet users in the United States was approximately how many times the number of Internet users in Italy?

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问题 The number of Internet users in the United States was approximately how many times the number of Internet users in Italy?
选项 A、5
B、15
C、20
D、25
E、35
答案E
解析 According to the bar graph, the number of Internet users in Italy was approximately 1.4 million. The number of Internet users in the United States is not explicitly given, but you know from the circle graph that it was equal to 51% of the number of Internet users worldwide.
From the bar graph, the number of Internet users in Europe was 27.3 million, and from the circle graph this number was 29% of Internet users worldwide. It follows that the number of users worldwide wasmillion, which is approximately 94 million.
Thus the number of users in the United States was 51% of 94 million, or approximately 48 million.
Since the numbers of Internet users in the United States and in Italy were about 48 million and 1.4 million, respectively, it follows that the number in the United States was approximatelytimes the number in Italy. Sinceis approximately 34, and the answer choice closest to 34 is 35, the correct answer is Choice E.
This explanation uses the following strategies.
Strategy 4: Translate from a Figure to an Arithmetic or Algebraic Representation
Strategy 8: Search for a Mathematical Relationship
Strategy 9: Estimate
Strategy 14: Determine What Additional Information Is Sufficient to Solve a Problem
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