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Mathematics 25 Online
OpenStudy (anonymous):

The ratio of girls to boys who participated in the quiz bowl was 7:5. There were 42 girls in the competition. How many boys participated? A) 28 B) 30 C) 35 D) 49

OpenStudy (lizz123):

you have a ratio of girls:boys 7n : 5n when 7n=42, what does 5n equal?

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