Mr. Pelt purchases gas for $3.24 per gallon. After leaving the gas station, he travels 208 miles on 8 gallons of gas. if the car uses gas at a constant rate, what is the number of miles traveled per gallon of gas

Your vet has placed your pet on a diet. the diet is to contain at least 12 mg of fat and at least 14 mg of protein per serving. these requirements are to be obtained from two food sources. source a contains 2 mg of fat and 2 mg of protein per serving. source b contains 1 mg of fat and 3 mg of protein per serving. if source a sells for $1.28 per serving and source b sells for $1.12 per serving, how many servings of each type should be purchased to satisfy the requirements at minimal cost?