Adieter is allowed to eat up to a pound of protein each day in the form of chicken and fish. one ounce of fish is equal to 100 calories, and one ounce of chicken is equal to 250 calories, and the dieter is allowed to take in at most 2,000 calories. this situation is modeled in the graph below, where x represents the ounces of chicken, and y represents the ounces of fish. is a dieter allowed to consume six ounces of chicken and four ounces of fish in a single day?