1. **Problem 1: Gum Pieces** Jane had 2 packs of gum, each with 8 pieces. Her brother took 4 pieces. How many pieces does Jane have now? 2. **Formula and Rules:** Total pieces initially = number of packs $ \times $ pieces per pack. Pieces left = total pieces initially $-$ pieces taken. 3. **Calculations:** Total pieces initially = $2 \times 8 = 16$ Pieces left = $16 - 4$ 4. **Intermediate step with cancellation:** $$16 - \cancel{4} = 12$$ 5. **Answer for Problem 1:** Jane has 12 pieces of gum now. --- 6. **Problem 2: Horse Food** Melanie’s horse eats 30 pounds of food each day. How many pounds does it eat in a week (7 days)? 7. **Formula and Rules:** Total food in a week = daily food $ \times $ number of days. 8. **Calculations:** Total food = $30 \times 7 = 210$ 9. **Answer for Problem 2:** The horse eats 210 pounds of food in a week. **Final answers:** - Gum pieces: 12 - Horse food: 210