Respuesta :

mumsy
trebuie sa postezi la pagina care e in romineste
L= 78 si P=256
P=2L+2W                 w e width(latime)
256=2*78+2w
256=156+2w
256-156=2 w
100=2w
w=50
i dont speak that but i think the anwser is w=50