Solve the problem.Tickets to a ballet cost $15 if bought in advance. If bought on the date of the ballet, they cost $24. For the ballet to make a profit, the total money collected from ticket sales must be at least $390. Write an inequality to represent this situation.
A. 15x - 24y ? 390
B. 15x - 24y ? 390
C. 15x + 24y ? 390
D. 15x + 24y ? 390
Answer: D
Mathematics
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