Final answer:
Katrina owns 1,050 shares of the restaurant business, as she has a 35% stake in a company with 3,000 total shares.
Step-by-step explanation:
The question asks us to calculate the number of shares owned by Katrina, who has a 35% stake in a restaurant business with a total of 3,000 shares. To determine the number of shares Katrina owns, we multiply the total number of shares by the percentage she owns:
Katrina's shares = Total shares × Ownership percentage
Katrina's shares = 3,000 × 0.35
Katrina's shares = 1,050
Therefore, the correct answer is (a) 1,050 shares.