Ruff, Inc. makes dog food out of chicken and grain. Chicken has 10 grams of protein and 5 grams of fat per ounce, and grain has 2 grams of protein and 2 grams of fat per ounce. A bag of dog food must contain at least230grams of protein and at least170grams of fat. If chicken costs9per ounce and grain costs 1per ounce, how many ounces of each should Ruff use in each bag of dog food to minimize cost?

grain_______oz

chicken_______oz