Respuesta :

Nizux
18 |16 | 13 | 10 | 9.5 | 8.5 | 7.5 | 6
                      
9.75 is the FINAL answer
you have to fist pot them in order 6,  7.5,  8.5,  9.5,  10,  13,  16,  18

so the middle numbers are 9.5 and 10 

add them together 9.5+10=19.5 then divide by 2 so 19.5/2=9.75  that is you answer