Answer:
D
Step-by-step explanation:
So it'd be
28=3s+4
28-4=3s
24=3s
24/3=3s/3
8=2
I can not see your ferris wheel and so I can not answer it.
1. Factor the expression 

2. Since
is placed in the denominator of the given expression, then 
3. Now the expression can be simplified:

Yes, in simplest form, both fractions are 1/3 (one over three)
The 4 Pack is the better value ;)