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Mathematics, 28.10.2019 15:31 taraupchurch23

There are 30 students in a classroom. the ratio of boys to girls is 2: 3.
some additional girls enter the classroom, and the ratio of boys to girls is now 1: 5
how many girls entered the classroom?

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There are 30 students in a classroom. the ratio of boys to girls is 2: 3.
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