Answer: 13 x 10 (130) Step-by-step explanation:1 1/4 cups of milk make 10 servings. 16 cups make 1 gallon. 1 1/4 + 1 1/4= 2 2/4 + 1 1/4+ 3 3/4 + 1 1/4= 5 + 1 1/4 = 6 1/4 + 1 1/4= 7 2/4 + 1 1/4 + 8 3/4 + 1 1/4 + 10 + 1/4 = 11 1/4 + 1/4 = 12 2/4 + 1 1/4 = 13 3/4 + 1 1/4 = 15 = 1 1/4 = 16 1/4
