Grandpa and Grandma are treating their family to the movies. Matinee tickets cost $4 per child and $4 per adult. Evening tickets cost $6 per child and $8 per adult. They plan on spending no more than $80 on the matinee tickets and no more than $100 on the evening tickets.
(a) Write a system of inequalities to model this situation.
(b) Graph the system.
(c) Could they take 9 children and 4 adults to both shows?
(d) Could they take 8 children and 5 adults to both shows?
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Elementary Algebra
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