One 8-02 sewing each of coffee. energy drink. and soda contains 200 mg of caffeine. One sewing of coffee has 2 mg more caffeine than two servings of soda. One serving of energy drink contains 38 mg less caffeine than one serving each of coffee and soda. Find the amount of caffeine in one serving of each beverage. ' . W The amount of caffeine in one serving of coffee is El mg, in one serving of energy drink is D mg, and in one serving of soda is D mg. . (Type whole numbers.)