Solve the problem.Tickets to a ballet cost $12 if bought by an early date. If bought on the date of the ballet, they cost $21. If the total money collected from ticket sales should be at least $330, write an inequality to show the possible combinations of early tickets and same-day tickets.a) Write an inequality to describe the situation.b) Graph the inequality.
A. 12x - 21y ? 330;
B. 12x + 21y ? 330;
C. 12x - 21y ? 330;
D. 12x + 21y ? 330;
Answer: B
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A. - 
- 
B. - 
- 
C. 
+ 
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- 