12. There are 42 students in a class and5/7 of the students are boys. How many girls are there in the class?
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Since the fraction of boys is 5/7, the fraction of girls present should be 2/7. The Brainliest Answer! = 30 boys. = 12 girls.
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total 42 students
5/7 boys
42-5/7
294/7-5/7
289/7
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