The sum of two numbers is 39. The second number is 6 more than half of the first number. Let a represent the first number and let b represent the second number. What are the two numbers? Use the table to answer the question. Numbers a b a + b = 39 Check b = one-half a + 6 20 19 39 22 17 39 24 15 39 26 13 39 20 and 19 22 and 17 24 and 15 26 and 13