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12. The seventh and eighth grade students are selling tickets to the talent show. The eighth grade studentshave sold fifteen more than twice the number of tickets that the seventh grade students have.
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12. The seventh and eighth grade students are selling tickets to the talent show. The eighth grade studentshave sold fifteen more than twice the number of tickets that the seventh grade students have. If theysold 486 tickets altogether, how many did the eighth grade students sell?

User JEJ
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If x is the number of tickets the seventh grade students sold, then you have:

tickets sold by seventh grade students = x

tickets sold by seventh grade students = x

User Jemi Salo
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