I walk a certain distance and ride back, taking $$\frac{13}{2}$$ hours in total. I could walk both ways in a total of $$\frac{31}{4}$$ hours. How long will it take me to ride both ways?

A

6 h 15 min

B

5 h 55 min

C

4 h 15 min

D

5 h 15 min