Answer: Lori owned 300 shares of stock.
Explanation:
Given: Lori Lori owned some shares of stock in the Petersen Company.
The total worth of shares of stock owned by Lori= $6,000
The worth of each share of stock owned by Lori= $20
Therefore, the number of shares of stock owned by Lori =

Hence, The number of shares of stock owned by Lori= 300