5% of the students in Cousins Middle School participated in a Science Contest. If there are 400 students in the school, how many participated in the contest?
A
50
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B
100
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C
20
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D
25
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Solution
The correct option is C 20 Total number of students = 400.
5 % students participated in the contest.
5% of 400 = 5100×400
= 20 students
Therefore, 20 students have participated in the contest.