Brie eliminate on her street. It cost her $11 by the supplies each day and she sells lemonade for two dollars a cup. She wants to make at least $75 in profits. Each day was the minimum number of cups of lemonade Brie needs to sell
Brie's profit per cup of lemonade sold is $2 - $11 = -$9 (since her cost is $11).
To make a profit of $75, Brie needs to sell at least $75 / $9 = 8.33 cups of lemonade.
Since she cannot sell a fraction of a cup, Brie needs to sell at least 9 cups of lemonade each day to make a profit of $75.