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  3. [img]2015m7x/ct_egreqm_egreqtbz1_0023_20153[/img]In 1993 the number of Valentin

[img]2015m7x/ct_egreqm_egreqtbz1_0023_20153[/img]In 1993 the number of Valentin

游客2024-01-12  56
问题
In 1993 the number of Valentine’s Day cards sold was approximately how many times the number of Thanksgiving cards sold?
选项 A、20
B、30
C、40
D、50
E、60
答案 A
解析 According to the table, the number of Valentines Day cards sold in 1993 was 900 million, and the number of Thanksgiving cards sold was 42 million. Therefore the number of Valentines Day cards sold was 900/42, or approximately 21.4 times the number of Thanksgiving cards sold. Of the answer choices, the closest is 20. The correct answer is Choice A.
This explanation uses the following strategies.
Strategy 1: Translate from Words to an Arithmetic or Algebraic Representation
Strategy 4: Translate from a Figure to an Arithmetic or Algebraic Representation
Strategy 9: Estimate
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