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In a survey of 80 students, 25 said they planned on attending the pep rally. The school has 550 students. Predict the number of students who plan to attend the pep rally.

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  1. 6 June, 17:22
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    80/25 = 3.2

    550/3.2 = 171.875

    so, 171.875 students round that up to 172
  2. 6 June, 17:27
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    25 = 31.25% of 80

    31.25% of 550 = 171.875 ...

    Since a partial student can't attend, you round up. Likely around 172 students will attend.
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