Respuesta :

2 * 5 1/2 = 11
I need at least 20 characters so I guess I'll break it down in 2 parts:
2 * 5 = 10
2 * 1/2 = 1
10 + 1 = 11
There ya go :)
2 times 5 1/2 would be 11. Hope I helped.