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  3. By what percent did the number of wren sightings increase from spring to summer?

By what percent did the number of wren sightings increase from spring to summer?

游客2025-02-24  20
问题 By what percent did the number of wren sightings increase from spring to summer?
Give your answer to the nearest whole percent.
______%
选项
答案 67
解析 From spring to summer, the number of wren sightings increased from 18 to 30. Therefore the percent increase was()(100%), or 66.%. To the nearest whole percent, the percent increase was 67%. Thus the correct answer is 67.
This explanation uses the following strategy.
Strategy 4: Translate from a Figure to an Arithmetic or Algebraic Representation
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