Mathematics
Mathematics, 01.07.2019 09:00, raeesahp6693

William bought some tickets to see his favorite singer. he bought some adult tickets and some childrenā€™s tickets, for a total of 15 tickets. the adult tickets cost $30 per ticket, and the childrenā€™s tickets cost $20 per ticket. if he spent a total of $270, then how many adult and childrenā€™s tickets did he buy

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William bought some tickets to see his favorite singer. he bought some adult tickets and some childr...

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