12 markers cost $9. How much for 8 markers?
2 gallons of paint cost $34. Price for 5 gallons?
11 hamburgers cost $44. How much would 15 hamburgers cost?
9 lb of apples cost $27. What is the cost of 4 lb?
6 movie tickets cost $54. Cost for 2 tickets?
7 muffins cost $28. What is the price of 3 muffins?
8 cupcakes cost $12. How much would 20 cupcakes cost?
You can buy 5 notebooks for $20. How much would 12 notebooks cost?