Winston's soup recipe makes 6 servings and uses 4 carrots and 2 potatoes. How many ingredients does Winston needs for 15 servings?

For 12 servings u double the original number + for 3 more servings half the original number

(4x2) + (4/2) = 10 carrots

(2x2) + (2/2) = 5 potatoes

Winston needs 10 carrots and 5 potatoes for 15 servings