The number of class one is five sixths of that of class two. How many times is the number of class two? What is the proportion of class one to the total number of class two?

The number of class one is five sixths of that of class two. How many times is the number of class two? What is the proportion of class one to the total number of class two?

The number of class two is 1.2 times that of class one, and the number of class one accounts for 5 / 11 of the total number of the two classes