A data table for cafe orders has rows Vegetarian entree, Chicken entree, Pasta entree and columns Water, Juice, Tea. Counts by row are: Vegetarian entree: Water 12, Juice 8, Tea 10; Chicken entree: Water 18, Juice 12, Tea 15; Pasta entree: Water 14, Juice 16, Tea 20. Which ratio represents P(tea given vegetarian entree)?