2/5 of the auditorium is filled with students and the rest are teachers and parents. 2/7 of the students are boys. What fraction of the auditorium is filled with the girls?
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Step-by-step explanation:
2/5 of the auditorium is filled with students
fraction of boys in the auditorium = 2/7 of 2/5 = 2/7×2/5 = 4/35
fraction of girls in the auditorium = 2/5 - 4/35 = 10/35 = 2/7
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