A recipe calls for 2 cups of flour for every 3 eggs. If you want to use 9 eggs, how many cups of flour will you need?
✓ Correct Answer: Option B
Set up a proportion: 2 cups / 3 eggs = x cups / 9 eggs. Cross-multiply to solve: 3x = 2 * 9. This gives 3x = 18. Divide by 3 to find x = 6 cups of flour.