Mathematics, 05.12.2019 12:31, mykamorrow

Oni and her family went to the movies with friends. her family spent 42$ on 3 adult tickets and 4 child tickets. their friends spend 59.50 on 4 adult tickets and 6 child tickets. what is the cost of each ticket type ?

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Oni and her family went to the movies with friends. her family spent 42$ on 3 adult tickets and 4 ch...