Solve the problem.A retailer knows that n games can be sold in a month at a price of 
dollars per game. Assume that he buys each game for 
and sells everyone that he buys. If he wishes to make a profit of at least 
per month on sales of this game, how many games must he sell each month?
A. 30 ? n ? 50
B. 30 ? n ? 80
C. 0 ? n ? 30
D. 25 ? n ? 40
Answer: A
Mathematics
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A. 
B. 
C. 
D. 
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