im so lost

13 4 5 6 8 9 10 In a study of pain relievers, 20 people were given product A, and 13 experienced relief. In the same study, 100 people were given product B, and 55 experienced relief. Fill in the blanks of the statement below to make the statement the most reasonable possible. Product ? |performed better in the study because only % failed to get relief with this product, whereas % failed to get relief with Product ? v X 5