Solve the problem.A retailer knows that n games can be sold in a month if the price is 
dollars per game. If he buys each game for $3, and if he wishes to make a profit of at least $600 per month on sales of this game, how many games must he sell each month?
A. 40 ? n ? 50
B. 25 ? n ? 45
C. 25 ? n ? 40
D. 40 ? n ? 90
Answer: A
Mathematics
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