Answer: Lizzy's networth is $17600.
We calculate the net worth of a person by first adding up Lizzy's assets and Lizzy's liabilities.
[tex]Total assets = Car + Stock[/tex]
[tex]Total assets = 7500 + 12000 = 19500/tex]
[tex]Total liabilities = Money owed on car + borrowings from brother[/tex]
[tex]Total liabilities = 1500 +400 = 1900[/tex]
Next we deduct total liabilities from total assets to arrive at net worth
[tex]Net Worth = Total Assets - Total Liabilities[/tex]
[tex]Net Worth = 19500 - 1900 = 17600[/tex]