Pls help I don’t understand

The answer is c. [tex] \frac{46}{9} [/tex]
a. [tex] \frac{11}{5}=2.2 [/tex] (2.2≠5.11) (2.2 is not equal to 5.11)
b. [tex] 5\frac{1}{8}=\frac{5}{8} [/tex] or 0.625 (0.625≠5.11) (0.625 is not equal to 5.11)
c. [tex] \frac{46}{9} =5.11 [/tex] (5.11=5.11) (5.11 is equal to 5.11)
Therefore c is the answer