It is given that person C sells lemonade and 20$ is spent on supplies
With 20$ worth of supplies, 100 cups of lemonade can be made.
It is also given that the cost is a quarter per cup
[tex]1\text{ quarter=25 cents}[/tex]Therefore the total selling price of 100 cups is:
[tex]100\times25=2500[/tex]Therefore the selling price is 2500 cents or 25$.
Profit is given by:
[tex]\text{Profit}=\text{Selling Price-Cost Price}[/tex]Therefore the profit is:
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