The sum of two consecutive integers is 21. Find the numbers.  Answers:
A) 17, 18 B) 7, 8 C) 10, 11 D) 1, 2 E) 8, 9
n + (n + 1) = 21   2n + 1 = 21   2n = 20   n = 10   Answer: 10, 11
<result>C</result>
The sum of two consecutive integers is 21. Find the numbers.