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Mathematics, 24.09.2019 02:30 maksimgelmud7

There are 70 students in the school band. 40% of them are sixth graders, 20% are seventh graders, and the rest are eighth graders. how many band members are sixth graders?

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There are 70 students in the school band. 40% of them are sixth graders, 20% are seventh graders, an...
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