Answer:
Profit = $ 5
Step-by-step explanation:
Money spent on supplies = $ 20
Number of cups of lemonade sold by her = 100
Selling price for 1 cup of lemonade = 1 quarter = $ 0.25
∴ Selling price for 100 cups of lemonade =
So, Christie can make $ 25 from 100 cups of lemonade.
Profit made by her = Selling price - Money spent on supplied
= $ 25 - $ 20 = $ 5.