Grocery Shopping (Double Number Line)

Answer each question and explain or show your reasoning. If you get stuck, consider drawing a double number line diagram. 1. Eight avocados cost $4. a. How much do 16 avocados cost? b. How much do 20 avocados cost? c. How much do 9 avocados cost? 2. Twelve large bottles of water cost $9. a. How many bottles can you buy for $3? b. What is the cost per bottle of water? c. How much would 7 bottles of water cost? 3. A 10-pound sack of flour costs $8. a. How much does 40 pounds of flour cost? b. What is the cost per pound of flour?