A recipe requires 3 cups of flour for every 2 cups of sugar. If you use 8 cups of sugar, how many cups of flour are needed?

✓ Correct Answer: Option C

Set up a proportion: 3/2 = x/8. Cross-multiply: 3 * 8 = 2 * x. This gives 24 = 2x, so x = 12 cups of flour.