He opened a lemonade stand on her street. It cost her $5.25 to buy the supplies each day and she sells lemonade for $1.50 a cup. If she wants to make at least $100 in profits, sales and expenses each day what is the minimum number of cups of lemonade Heather needs to sell and put your answer as a whole number
Heather needs to sell a minimum of 90 cups of lemonade in order to make at least $100 in profits each day.
Calculation:
Revenue from 90 cups of lemonade = 90 cups * $1.50 = $135
Expenses = $5.25
Therefore, profit = Revenue - Expenses = $135 - $5.25 = $129.75
Heather needs to make at least $100 in profits, so she must sell at least 90 cups of lemonade to achieve this goal.