Alex purchases x dollars worth of stock on his broker's advice and pays his broker a 1%

Question:

Alex purchases x dollars worth of stock on his broker's advice and pays his a 1% fee. The value of the shares falls to y dollars years later, and Alex uses a who charges 1.25% commission to make the sale. Express his net proceeds algebraically. Broker
A broker is someone or something that acts as an intermediary third party, managing transactions between two other entities. A broker is a person or company authorized to buy and sell stocks or other investments. They are the ones responsible for...