7 first-graders and 28 other students attended a school assembly. What percentage of the students at the assembly were first-graders?
Write your answer using a percent sign (%).
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Total number of students = 7 + 28 = 35
Total number of first-graders = 7
Percentage of students who were first-graders = 7/35 × 100 = 20%
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Answer:
Total no. of students attended the school assembly = 7+28=35 students.
Therefore, percentage of the students at the assembly were first graders =20%
7/35*100=20%
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