Compare these rational numbers : 5.3655, 28/5, 5 2/5, 33/6.
which number is the greatest out of all of them?

Here, we have some numbers: 5.3655, 28/5, 5 2/5, 33/6
Now, we will try to convert all of them into one format (decimal) 'cause it would be easy to compare:
28/5 = 5.6, 5 2/5 = 27/5 = 5.4, 33/6 = 5.5

Now, we have numbers: 5.3655, 5.6, 5.4, 5.5

We can easily see, 5.6 is greatest which was 28/5 originally 

So, Your Final Answer would be Option B) 28/5

Hope this helps!