Answer:Here's how to calculate Mang Andy's total expenses:Cost of ducklings: 10 ducklings * ₱8.00/duckling = ₱80.00Cost of feed: ₱200.00/week * 6 weeks = ₱1200.00Total expenses: ₱80.00 + ₱1200.00 = ₱1280.00 Therefore, Mang Andy's total expenses before selling the ducks is ₱1280.00.