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At the end of the school year, Miss Anderson always puts together a video for her drama class using the photos she took during the year. Before starting on this year's video, she expected to use 200200 photos. When she was finished with the video, she'd actually used 250250 photos. What is the percent error for Miss Anderson's estimate?\newlineIf necessary, round your answer to the nearest tenth of a percent.\newline____%\%

Full solution

Q. At the end of the school year, Miss Anderson always puts together a video for her drama class using the photos she took during the year. Before starting on this year's video, she expected to use 200200 photos. When she was finished with the video, she'd actually used 250250 photos. What is the percent error for Miss Anderson's estimate?\newlineIf necessary, round your answer to the nearest tenth of a percent.\newline____%\%
  1. Calculate Difference: Calculate the difference between the expected number of photos nexpectedn_{\text{expected}} and the actual number used nactualn_{\text{actual}}.
  2. Calculate Percent Error: Calculate the percent error using the formula: Percent Error = (DifferenceExpected)×100%(\frac{\text{Difference}}{\text{Expected}}) \times 100\%.
  3. Round Percent Error: Round the percent error to the nearest tenth of a percent, if necessary.

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