At the performance of Seussical the Musical at your local high school, there are adult tickets and student/child tickets. You're trying to remember the cost of each to tell your extended family to come see the musical. Your friend, her mom, and her little sister paid a total of$23

$23on opening night, and you know that another family paid$39

$39for two adults and three students. Ifx

xis cost of adult tickets andy

yis cost of student tickets, the two equations for these situations can be written as: