Mathematics, 21.09.2019 09:00 HunchoPoncho

You and your friend are selling tickets to a charity event. you sell 7 adult tickets and 16 student tickets for $120. your friend sells 13 adult tickets and 9 student tickets for $140. what is the cost of a student ticket?

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You and your friend are selling tickets to a charity event. you sell 7 adult tickets and 16 student...