Detailed Instructions: In this task, you need to provide the correct option for a given problem from the provided options.
Problem:Problem: the ratio of three numbers is 1 : 2 : 3 and their sum is 60 . the second number of the three numbers is ? 
Options: a ) 24 , b ) 26 , c ) 20 , d ) 29 , e ) 30
Solution:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
c