1. Lesson 4-1 Example 4 4-1 Solve. DOGS A dog can drink about 4 milliliters of water for each gram of food they eat. If a dog eats about 20 grams of food, how much water will it drink? UnderstandRead the problem. Write what you know. Dogs drink 4 milliliters of water for every 1 gram of food.

2. Lesson 4-1 Example 4 4-1 PlanPick a strategy. One strategy is to make a table.

3. Lesson 4-1 Example 4 4-1 Use the table or the ratio to find the solution. SolveWhat pattern do you observe? Write the pattern as a ratio. 80 mL

4. Lesson 4-1 Example 4 4-1 CheckUse your answer to write a ratio. Is your ratio equivalent to the ratio in the table?