A recipe for orange water states, "Mix 3 teaspoons of yellow water with 1 teaspoon of red water." The ratio of teaspoons of yellow water to teaspoons of red water is 3:1.

1. Write a ratio for 2 batches of this recipe.

Two batches would have ____ teaspoons of yellow water with ____ teaspoons of red water.

2. Write a ratio for 4 batches of this recipe.

Four batches would have ____ teaspoons of yellow water with ____ teaspoons of red water.