SOLUTION: A retailer knows than n games can be sold in a month if the prices is 30-0.2n dollars per game. If he buys each game for $12.00 and if he wishes to make a profit of at least $400 p

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Question 1122531: A retailer knows than n games can be sold in a month if the prices is 30-0.2n dollars per game. If he buys each game for $12.00 and if he wishes to make a profit of at least $400 per month on a sales of this game, how many games must he sell each month?
Found 2 solutions by josgarithmetic, MathTherapy:
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
n games sold at price 30-0.2n dollars per game;
Revenue n%2830-0.2n%29


Cost: 12 dollars per game, n games bought;
12n


Profit Wanted: 400 dollars;
n%2830-0.2n%29-12n%3E=400
Simplify and solve this for n.

Answer by MathTherapy(10552) About Me  (Show Source):
You can put this solution on YOUR website!
A retailer knows than n games can be sold in a month if the prices is 30-0.2n dollars per game. If he buys each game for $12.00 and if he wishes to make a profit of at least $400 per month on a sales of this game, how many games must he sell each month?
Correct answer: