1. Example 3 Each day, an elephant eats 5 pounds of food for every 100 pounds of its body weight. How much does a 9300 pound elephant eat per day? SOLUTION First, write a proportion involving two ratios that compare the weight of the food with the weight of the elephant. Writing and Solving a Proportion Then, solve the proportion. 100 5 9300 x = Weight of food Weight of elephant

2. Example 3 Writing and Solving a Proportion x465 = Divide. ANSWER A 9300 pound elephant eats about 465 pounds of food per day. 100 5 9300 = 9300 x Multiply each side by 9300. 100 46, 500 =x Simplify.

3. 9.Each day, an elephant eats 5 pounds of food for every 100 pounds of its body weight. How much does a 12,500 pound elephant eat per day? ANSWER about 625 lb Checkpoint