1. The 9th graders are hosting the next school dance. They would like to make at least a $500 profit from
selling tickets. The 9th graders estimate that at most
300 students will attend the dance. They will earn $3
for each ticket purchased in advance and $4 for each
ticket purchased at the door.
A. Write a system of inequalities to represent this
situation.
B. Graph the system of linear inequalities.
C. Suppose only 30 people buy advance tickets. How
many people would need to buy tickets at the door?
(Identify one realistic solution.) Justify your answer.